The male act of tucking a penis behind his legs just below his ass. Often used by transvestite males to hide penis.
Watch out, that dude's no chick. He's just got a nasty tuck under and some nice fake tits.
by The Doctor February 14, 2005
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The uncomfortable condition of having your balls and sometimes penis tucked under your inos. Often caused by poorly designed seats.
The seats at the MCC computer lab always give me a bad case of tuck under.
by Forrest Klump March 12, 2009
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A recommended way to deal with a NARB that won't go away. Tuck your raging hard on up Under your belt and tighten down. If you don't have a belt, tighten your draw string. DO NOT USE this method if you aren't wearing a shirt.
In the middle of my brother's wedding, I had to perform a covert Timmy Tuck Under as the bride was walking down the isle.
by mDAWSONj August 13, 2007
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When one ties a rope to the left leg, ties it to the highest limb of a tree, hangs upside down from a tree, and inserts their penis into their anus
They found old Georgie hanging from his oak tree doing the old Tuscaloosa Tuck-Under. The neighbors could not believe he was so well endowed!
by Gary Hamhorn March 21, 2010
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