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

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 August 2, 2008

thwack

The sound made by the scrotum striking the belly of a women whilst making love doggy-style

The thwack sound echoed through the room as I reached satiation.

by Hayers111 February 26, 2007

thwatch

This word means pimp slap in the ass.

Ohhh shit, bitch! Nicole, you just got mother fuckin' THWATCHED!

by lsdofsdalfia May 18, 2006

thwack

A firm thumb that a hard penis gives to a female (or male... depending on your taste), in any number of places.

Puedes THWACK tu SCHLONG en mi cara, por favor?
Translation: Can you THWACK your SCHLONG in my face, please?

by Nicka-Licka-Dicka March 3, 2005

thwackett

Two strugs tied together

by William of Middenshire October 19, 2003

thwack

A derogatory word, implying someone intentionally masturbating someone else. The word derives from the sound of a penis being slapped.

"Thawck!" - stated by Mr Ben upon seeing his sister go to her room with her boyfriend.

by Mr Ben February 8, 2005