Under-Onesie

The formation that occurs when a guy tucks his undershirt into his underwear.
Nat, when you bend over, I can see your Under-Onesie. I guess your torso never gets cold.
by Ballsackreligious October 27, 2016
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grade a under a

A cheeky british lad that somehow gets away with making poorly drawn comics and raging over anything.
This totally looks like Grade A Under A's comics, roight?
by dictionary.co.uk May 06, 2016
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under rod

it is basically the bare branch of your penis, the part which lies under your foreskin.
note: often exposed on those people who are over circumcised at birth.
last nigh i pulled back my foreskin and noticed that my under rod is painfully bleeding
by matthew king June 11, 2004
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Under the Bleachers

A derivative of the term Upper Decker, "Under the Bleachers" is somewhat less secretive and much more difficult to pull off. It is the act of taking a poop behind the toilet, under the water tank. Meant to be hidden from view while creating a terrible smell to create the illusion that the toilet could use a serious cleaning.
The dinner party was atrocious, so I took an under to bleachers in their guest bathroom.

I could tell my father-in-law disapproved of me when I entered the bathroom and found that he left a massive under the bleachers.
by ZedSpot May 30, 2010
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down under

Term used to describe any cities, countries, etc, near the Australian Continent. Lower Asian countries may also be included to be "Downunda."

Note: The former definition was extremly rude so I changed it.
by Kittany Lilac December 05, 2005
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sleep under

when you are sleeping over but find your self having sex with some member of the household.
i did a sleep over at Stephanies.....but when i saw her brother i knew i would be having my own sleep under...damn..i was lucky she was asleep or she would have(box locked) me..
by MADELINEB January 28, 2008
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under thunder

Violent rectal belching of the arse’s natural kak gases which erupt from the fart fissure.
by Martin Duxon August 08, 2003
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