The submissive, receiving participant in a train, or gang-bang of many men taking turns on one receiver.
"Word is that Melinda was the caboose in that gang-bang that everybody's talking about, but she won't say either way."
by Cheese Sandwich June 20, 2006
by IvotePinappleeeeFOR June 13, 2017
A guy in middle school who is about to move on to high school funny and weird in the way as the guy in red vs blue. See caboost
by CabooseYO October 12, 2006
by caboose king March 24, 2021
Jon: Damn Imani wore the tightest pants today she has the biggest caboose the school has ever seen
Tyrone: She aight her ass is a donk tho i think Deja got a caboose
Tyrone: She aight her ass is a donk tho i think Deja got a caboose
by Tarvish May 19, 2019
The Best and funniest character of the awesome internet series red vs blue, sometimes known for his big tank lady girlfriend, sheila.
Caboose: SHEILA!!!NOOO!!!
Tucker:No! Sheila! Shiela!!....wait..whos sheila
Caboose:She was the lady in the tank, she was my friend
Tucker:Dude! I knew you could pick up chicks in the tank!
Tucker:No! Sheila! Shiela!!....wait..whos sheila
Caboose:She was the lady in the tank, she was my friend
Tucker:Dude! I knew you could pick up chicks in the tank!
by Eg May 15, 2004
The private from Red vs Blue. Stupid, yet very funny, a blue and is clad in blue armor, he loves sheila, and wants church to be his best friend
Sarge-Hello? Is anyone there? Do you read me? Do i read you? Anyone? Anybody?Nobody? Ok. well, looks like we're stuck here.
Caboose-...my toes are getting proony
*walk a little*
Caboose-Sarge! Look! A sleeping person!
Sarge-Holy Macaroon...he's not sleeping son, he's dead.
Caboose-Good, for a second there I thought he was me...because i am blue, and i like to sleep. but if he is dead, that can't possibly be me...that would be silly.
Tex-O'Mally is held up in this base, and he has been fortifying his defenses for a few days now, and he's got some help, one of those religous nuts you guys picked up
Caboose-OH! I liked them, they were funny.
Tucker-Caboose, they tried to kill you because of a flag
Caboose-I try not to think of the bad things about people
Tucker-thast all they did, there were no good things
Caboose-Thats ok...I have a really bad memory, WOW LOOK A BEACH!
Caboose-...my toes are getting proony
*walk a little*
Caboose-Sarge! Look! A sleeping person!
Sarge-Holy Macaroon...he's not sleeping son, he's dead.
Caboose-Good, for a second there I thought he was me...because i am blue, and i like to sleep. but if he is dead, that can't possibly be me...that would be silly.
Tex-O'Mally is held up in this base, and he has been fortifying his defenses for a few days now, and he's got some help, one of those religous nuts you guys picked up
Caboose-OH! I liked them, they were funny.
Tucker-Caboose, they tried to kill you because of a flag
Caboose-I try not to think of the bad things about people
Tucker-thast all they did, there were no good things
Caboose-Thats ok...I have a really bad memory, WOW LOOK A BEACH!
by Mustache Man February 27, 2005