a way to tell your friends about your nuts without it being weird
by Snipes XP December 11, 2018
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A heavy catapult used wy back in dem midevil times
Prepare the onager! FIRE!!!!!!
by ranger FR K-4 February 20, 2005
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The creepy and immoral practice of glancing quickly at another dude's dick while pissing at a urinal.
How did James know that I was uncircumcised? He must be a master of es-pee-onage.
by Jack Atrophy August 7, 2022
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Dropping the hot balls on the kill. Which makes others cry of joy.
I'm gonna onage your girl.

Let's onage some trees.
by EatSleepBaconRepeat June 3, 2018
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