to hit hard and percise. Usualy producing a THWACK sound.
With a "THWACK" the bamboo rod hit table.
by Myoga1 February 24, 2004
Get the thwack mug.
to hit
Nikki thwacked her friend on the arm.
*thwacks you
by ^_^ September 29, 2003
Get the thwack mug.
To firmly slap ones penis across another persons face i.e. to be either very manly or very homosexual.
"Dude! That little limp wristed faggot just thwacked me!"

One jock buddy says to another...
"WHOA! Billy's asleep, someone thwack him!"
by Steven Spears April 15, 2005
Get the thwack mug.
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
Get the thwack mug.
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 4, 2005
Get the thwack mug.
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
Get the thwack mug.
Being under the influence of methamphetemines, particularly Ice.
My homie Dropkick left his dope on the coffee table....and his coffe table out in the yard because he was thwacked
by Sidekick Jones September 4, 2003
Get the thwack mug.