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

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

Roose the Caboose 

Roose the Caboose
Roose the Caboose
Roose the Caboose

Roose the Caboose
Roose the Caboose
Roose the Caboose

Roose the Caboose by roosethecaboose January 28, 2021

A CABOOSE LIKE A MOOSE 

A big arse!

Lakisha put the "b" in back; shit, she got a caboose like a moose...mutha-fuckin' thing has its own zip code!

A CABOOSE LIKE A MOOSE by weave November 24, 2003

train,train,caboose 

its when you and 4 friends pile into a little room, and take off your clothes. then everyone grabs the hips of the person infront of them. Then you turn the lights off and walk around the room, while saying train,train,caboose

last night me and 4 other people train,train,caboosed for like, 5 hours.

train,train,caboose by smurfis February 2, 2006

Sloth caboose

When many attractive girls travel with one ugly one at the end; see Brain, sloth, or brain train.

"Oh man, looks like the brain train is rolling in, hopefully the sloth caboose gets knocked off."

Sloth caboose by Rob Engle September 11, 2005