Caboose 

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!

Caboose by Eg May 15, 2004

Caboosey 

A term used by adam sandler fans to refer to a womans butt, particularly to rhyme with her name.

Forgetful lucy, has got a nice caboosey

Caboosey by dabassist123 March 3, 2017

caboose 

Bumbling idiot of the blue team, also blue teams comic relief.
A.K.A O'Malley

Tucker: Caboose, that is rediculous!
Caboose: Is it? Or is it sooo rediculous, it's the most rediculously perfect idea...that you never thought of?

caboose by tobi D March 9, 2004

poop caboose 

the white person term for the butt, arse, or asshole of a human.
the end of a human body.

Jill: I'm ready for it Phil!
Phil: Alrighty...but bite on a pillow, I'm gonna put it in the poop caboose!
Jill: Oh shit...

poop caboose by pooplo August 13, 2016

loose moose caboose

When a man's asshole is so blown out from anal sex, that his sphinctor stops to work and he diahreas every time he shits.

Adam-Dude after I got rammed by that donkey boner I have a loose moose caboose!
Nolan-aww man mines been ripped up for years, do you have any diapers yet?

loose moose caboose by Adam Shuford January 17, 2008

Caboose 

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 by Mustache Man May 13, 2005

The Double Caboose 

The incredible phenomenon when two women are ass to ass and pleasure themselves simultaneously with a double-headed dildo.

Imagine my surprise and delight when I walked into the bedroom to find Roxy and Abby goin' at the double caboose! The 8th wonder of the world does exist.

The Double Caboose by VoodooJay January 25, 2019