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The act where a male flexes his penis or, in other words, "contracts" his penis. This action usually occurs when the male is semi-errect or completly errect.
1. Lenny's meatflex was so good it looked like his penis was waving at me from across the room.

2. Lenny meatflexed in gym class and impressed all the girls.

3. The meatflexing continued all day due to an overdose of Viagra.
by The Jayman September 14, 2006
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Aug 9 Word of the Day
A term coined by Terrson to represent a form of Jenga where one removes an article of clothing whenever the tower falls.
It was a fearsome sight indeed after the tower fell for the last time, after that, strip jenga was forever banned in the lounge.

<Terrson> My name shall not go down in history as the guy who codified Strip Jenga.
Guess again, Terrson.
by OmniBot August 05, 2008
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