The art of slapping one's package, balls and all, on a flat, hard surface. i.e. your co-worker's desk
by The Velvet Hammer October 21, 2003
Get the thwaptmug. Past tense of thwap...thwap being a sound produced when the back of the hand makes contact with the chest/stomach area of a fully clothed person (when the thwapee is nude, it really rends to be more of a thmak) It describes a person who has just recieved a thwap.
by Lara October 22, 2003
Get the thwaptmug. "Thwapt thwapt thwapt"
by Jon October 22, 2003
Get the thwaptmug. The sound that an above average in size penis makes as it hits something. Generaly, another person or some inanimate object.
"Lets get ready to rummble baby"
*snap*
*zipppp*
*pulls out penis*
*thwapt* (hits leg, near the knee)
*insert*
*mst mst mst mst*
*pulls out*
*thwatp* (hits some surface, generaly bed)
*puts away*
*ziipppp*
*snap*
*pat pat pat*
*flick*
*cig, gets lit*
*puff puff*
*aaaahh*
*roll over*
*Zzzz*
*snap*
*zipppp*
*pulls out penis*
*thwapt* (hits leg, near the knee)
*insert*
*mst mst mst mst*
*pulls out*
*thwatp* (hits some surface, generaly bed)
*puts away*
*ziipppp*
*snap*
*pat pat pat*
*flick*
*cig, gets lit*
*puff puff*
*aaaahh*
*roll over*
*Zzzz*
by Jack O'monny October 22, 2003
Get the thwaptmug. 
Get the thwaptmug. by ¡DŃ™! October 26, 2003
Get the thwaptmug.