To poke another player with ones penis while playing Garry's Mod.
Player 1: stay still so I can weiner boop you!
Player 2: noooo not like this, I'm a virgin!
Player 1: not any more *weiner boop*
by DVDA OverKill February 12, 2014
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The action of two penis's touching each other, usually on the heads, in a sexual or non sexual way.
Me and Jim did some weiner booping yesterday, it wasn't gay though.
by Fachumean April 20, 2015
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