Thwack-Back

When having sex with a male(homosexual or transexual) and their penis slaps against you.

As we fucked, her penis kept hitting my leg, causing thwack-back

by Thwacker April 4, 2008

dick thwacking contest

any exchange in which opposing parties will carry out brazen competitive acts purely based on the idea that self-fulfillment will be derived from the intensity of the sound produced when they allow the underside of their dick to drop onto a cold, granite countertop (i.e. a thwack). The louder the thwack, the more intrinsically valuable that person is to the world.

Kline keeps donating money to organizations to have buildings named after himself, and Specter reacts by donating more himself, to place his name on more buildings. It's a giant-ass dick thwacking contest.

The cold war was effectively a dick thwacking contest between the US and Russia.

by big_dick_ben December 4, 2018

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Person2 thwacks Person1

When one person smacks another.

No example available

by Loser February 18, 2005

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burn-zap-thwack

n.)a series of words (which may be used in any order) stated in a sarcastic manner in order to point out the lack of sense or humor in a ponk or zinger (see ponk and zinger)
may be followed by a questioning "what?"; ponk or zinger may follow the last word of the three, pending the type of joke or statement in question, though this may uneccesarily elongate the phrase, which will ultimately deduct from its humor

guy 1: dude, i felt so stupid after failing that test...
guy 2: ur mom felt so stupid after faling my test!
guy 3: Oh! burn-zap-thwack...zinger!(said in an excited yet evidently sarcastic manner)what?

by mcfizzy July 11, 2008

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