used to refer to a person with a loose anus. Usually happens when said person has participated in copious amounts of anal sex.
by Anal Jim April 7, 2011
"Dude, that mexican food went right through me! When I got home I headed straight for the deuce caboose and dropped one, wait I mean two!
by Dustin Crew November 3, 2007
Any female that frequents the scumfuck bar The Loose Caboose (The Loose Asshole) in Lafayette, Louisiana.
Typically a college-aged female, but not necesarily college student, who listens to nu metal, has tribal tattoo(s), still wears the same Jncos bought from Gadzooks in 97', and has a myriad of issues that require her to take depakote or some other crazy person medication.
by POND SCUM October 1, 2004
While walking down the street, Allison noticed a caboose on the loose named Sam who was wearing shoes on her hands
by Allinella June 16, 2010
girl one: " I very much enjoyed your caboose mousse.
girl two: "did it come out too fast? Hurry, puke in my mouth."
girl two: "did it come out too fast? Hurry, puke in my mouth."
by aboozed January 30, 2011
by Peanut_Butter April 22, 2012
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