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An abbreviation for "Know what I mean?" It's pronounced verbally in 1337 form, like you would say fuh tuh wuh or WTLF. Use it, and people irl really won't know wadamuh.
Amerinder: You got the fuh tuh wuh if you know wadamuh?
Nick: Oh, yah I got the fuh tuh wuh, its ruh-huh!
by Noodlesoup-Maelstrom May 11, 2010
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