R-r-rip!:
See Toss! Wham! Splat! R-r-rip!
See Yank! Twirl Twirl R-r-rip! Snap Zip Bonk!

Ra Pum Pa Pum Pum: The three weird sisters hear "A drum! A drum! MacMorty doth come!" (Cryogenic Comix 18 (1998))

Rat-a-tat-tat: See Brap Bra-ap Rat-a-tat-tat Pow Pow Pow

Rattle!: See Eeee Blunk! Eeeeeeee Rattle! Detour! Eeeeeeeeeeeeeeee

Rattle! Rattle!: Kane Abelmann, a custodian in a nuclear missile silo, discovers he is trapped alone inside the silo and tries the door handle to no avail. (Storm Warnings (1986))

Rend! Shred! Spindle!: The propellers on the planes of the Toaster Ghost Air Patrol make short work of Mukey the Mutant Membrane, who was unfortunate enough to be floating right in their path. (Cranium Frenzy 6 (1990))

Rev Rev Rev!: A lawn mower, tired of being trapped in a garage with Snoodle B. Clapsaddle, who is suspended above the floor due to having his head glued to the ceiling, is impatient with Snoodle's whining.
Snoodle: "Life was so hard for me in the outside world!"
Mower: "Aww, go tell it to the guy you see in the mirror, you miserable whineybutt! No one else cares."
Snoodle: "You don't understand! You've never left the yard!"
Mower: "Hey, I've been around the block a few times ... And I'm gettin' sick and tired of being cooped up with a weiner-head geek! Time to get the Hell outta here!" (Rev Rev Rev!)

Ri-i-ip!: Created as an unnamed character widens a tear in the wall, opening the fabric to reveal a brighter world on the other side. (Scratchez 4 (1984))

Riiiiiiingg!: Jean-Paul Sartre's alarm clock wakes him up, and he says, "I wonder which way the pendulum will swing today-- toward pain, or boredom?" (Delayed Stress Syndrome Funnies (1982))

Ring Ring Ring: A Morty Dog gets a long awaited telephone call. (Comix Wave 15 (1983))

Ringa Linga Ringa Linga Ringa Linga Ringa Linga Ringa: A mad hatter inspects little men on a conveyor belt. When the x-ray machine reveals one of the little men has a heart, a bell rings. (Storm Warnings (1986))

Rip:
See Pull! Fold Rip Rip Rip Rip Rip Rip Rip Spindle Shred Mutilate! Shred! Tear! Rip! Mangle
See Push! Grab! Bash Hit Rip Shred Smash Crash Fight

Rip Rip Rip Rip Rip Rip Rip:
See Boot! Shred Rip Rip Rip Rip Rip Rip Rip
See Pull! Fold Rip Rip Rip Rip Rip Rip Rip Spindle Shred Mutilate! Shred! Tear! Rip! Mangle

Rip! Shred!: A man attempts to pet the Worst Cat In The World and gets clawed so badly that after his hospitalization he could easily play the part of the Mummy in a horror film. (Cranium Frenzy 9 (1998))

Rip! Tear! Uproot! Rip! Rip! Shred!: When Snoodle B. Clapsaddle realizes that by sealing himself in isolation in his cinderblock garage he will no longer be able to read his favorite daily comic strip, he tears out all of his hair. (Cranium Frenzy 7 (1994))

Rowrm!: A young couple in love driving past a hitchhiking Morty Dog. (Morty Prima Facie! (1986))

Rrip!: A Morty Dog emerging from the top of the cranium of a dog-man. (Little Snowjob (1986))

Rrring! Rrring!: A special phone on a small cloud-- a phone call from the frog that grows out of the head of the Big G Himself! (Bezango (1994))

Rrrip!: See Grab! Rrrip! Toss! Smack Crunch Crunch

Rrrip! Rrrip! Rrrip!: Frogs being torn from their hosts after having been embedded in the top of the craniums of several hapless softheads for some time. (Bezango (1994))

Rrrip! Toss!: When Snoodle B. Clapsaddle gets his daily newspaper, he immediately rips out the "Family Circuit" circular single panel comic and tosses away the rest of the paper. (Cranium Frenzy 7 (1994))

Rrrrgh!: See Hrrrgh! Nrrrgh! Rrrrgh! Harrr! Arrr! Grrr

Rrrring!: The third alarm on the table fails to wake a man out of an "Oog" fantasy while an annoyed duck makes a comment. (Amused To No End (1986))

Rrrrip!: Prince Morty stands next to a portrait of his late father, the former King. Morty also holds a portrait of his evil uncle, the current King and his stepfather. The prince asks his mother, the Queen, "And what judgement would step from this [points to portrait of former King] to this?!? [Rrrrips the portrait of present King in half]. (Tragedy of Morty, Prince of Denmarke (1984))
See also: Gnaw Ga-Naw Ga-Naw Arrr Grrr Rrrrip! Who-o-o-ooosh!

Rrrrr-rrrr-sput-rrrr-sput: See Whoosh! Crash! Zow! Bonk! Bonk! Smash! Zip! Zow! Zip! Skrash! Rrrrr-rrrr-sput-rrrr-sput Blink! Ka-rash!

Rrrrrip!: Kane Abelmann, a custodian trapped in an abandoned missile silo, survives by eating emergency rations. In this case he rips open a package of "Dried Dead Cats." (Storm Warnings (1986))

Rrrrrrr Rrrrr Rrr: A police car siren that is actually a living human head yelling and imitating the sound of a police car siren. (Big Picture Picture Book (1983))

Rrrrrrrrroar!: See Bonk! Click! Rrrrrrrrroar!

Rrrrrrrrrrrrrrrrrip!!!: See Kerploosh!!! Chomp! Grrrrp!!! Rrrrrrrrrrrrrrrrrip!!! Pop! Sproing!! Zow! Splat! Bonk! Bonk! Bonk!

Rumble!: Coming from an underground source, an auditory warning that Wild Pointy Hat Guys are about to pop through the earth and create havoc. (Bezango (1994))

Rumble! Crash!: A man named Otto has a head that has grown too fast and too big to fit inside his house. When the walls and roof of his dwelling fail to contain the enormous cranium, this is the sound of the structure falling apart. (Cranium Frenzy 2 (1982))

Rumble Rumble: See Guk Guk Guk Guk Rumble Rumble