To have anal intercourse while riding in the rear car of a train or subway car.
The rear car smells like somebody's been caboosing back there!
by S&M92 July 7, 2018
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mah, mah, may, look at the caboose on that.
by Anonymous August 12, 2003
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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
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A Dutch 'Guy' Who Is Gay And Trys To Act Like He Isn't.
That guy is soo caboose
by IvotePinappleeeeFOR June 13, 2017
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the act of going ass to mouth with a piece of swiss cheese around your dick.
"I'm gunna go all swiss caboose on your ass"
by BOBS YOUR UNCLE January 2, 2013
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A phrase used when you are leaving a place. Synonym for "go."
This party sucks "Let's Caboose."

Put your shoes on "Let's Caboose."
by new and upcoming slang January 5, 2022
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A humorous term that Barnaby Tucker (from the musical Hello, Dolly!) often says when he is surprised or excited.
Cornelius: Come on, Barnaby! We're going to New York! Elevated trains, Barnaby! The lights of Broadway!

Barnaby: Holy cabooses!
by ccl2010 March 28, 2009
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