Top Definition
The act of releasing the male genitalia from the pants and striking the (preferably) opposite sex making this comic-book sound.
Allan pulled out his skinflute and thwoped Pamela in the throat.
by Mrs brown of forest hills high April 05, 2005

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To Thwop,an action. The sound made when a male takes his penis and hits a random female in the head with it. usually used to signify someone that deserves being hit in the head by a dick.Can also be used as a sexual action.
Lets go out tonight,get hammered and im Thwoping every broad in there tonight.

Let me Thwop some sense into this dumb broad.
by Thwopking March 18, 2009

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To slap a person with the penis across the face, see ex.
"Aw man, what should we do to wake him up?
THWOP HIM!"
by Ross February 03, 2004

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1. n. The sound mashed potatoes make while being served.
2. v. To serve mashed potatoes, creating a "thwop"ing sound.
Would you kindly thwop me some mashed potatoes?
by The Grammar Nazi November 22, 2001

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