The last cock in your life. Typically that of our husband or any man you have see with and then die.
My husband was thrilled when he realized his cock was the cock-caboose in my very long cock train.
by dware220 July 6, 2019
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1) A way of saying someone is 'loaded out the butt'.

2) rich, wealthy, well-to-do, high net worth.

rich, wealthy, high net worth, upwardly mobile, super rich, 1%, wall street, tech industry, elite, baller, player
My neighbor must be loaded out the caboose. He drives a Porsche, just put in a new pool and recently got back from a Fiji.
by joecoolthefool May 17, 2016
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The act of placing ones balls inside another participants anus and at the same time stroking themselves whilst whistling like a train.
Person 1: "All right bend over I'm gonna give you the Caboose!"
Person 2: "Please this is the fifth time this week!"
Person 1: "All Aboard!...Choo! Choo!"
by benshapirohamburgerhelper September 8, 2021
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AWhat you call a girl's ass
Guy #1- "Does she got a caboose?"
Guy #2-" Yeah man."
by big.iron.69 July 29, 2020
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