When someone, i.e. a man, has a big beard very similar to the pitcher Brian Wilson and he uses his man beard on a girls clitoris in a vigorous up and down or side to side motion for an extended period of time till she gets off. That said girl has now become "Brian Wilson-ed".
Man, I 'Brian Wilson-ed' a girl last night and she got off so much that my beard turned white.
by Lattimer July 1, 2012
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The action at which someone screws you over on purpose out of pure jealousy and anger
Guy number 1: *Catches the biggest fish of the trip

Guy number 2: Here let me net it for you *Purposely Knocks the fish of the hook and looses your fish*

Guy number 1: You just Brian Wilson-ed me!
by Not A Hill July 24, 2018
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