1 definition by Pseudomaster48

Top Definition
WPU
An acronym commonly used in many "AIM" screen names, yet no one knows the true meaning of it.
Juan: Hey! I heard you finally got a new screen name, your old one was lame... What is it?!

Sammy: Ohh yea, It's wpu6. I'm not sure why, but I like it! :D
by Pseudomaster48 May 02, 2010

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