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1.
To take advantage of a woman that normally finds you extremely unattractive, usually done when the girl is either emotionally distressed or extremely intoxicated
Bro 1: Where did audrey go? She passed out on the couch a few minutes ago
Bro 2: I think william took her upstairs....
Bro 1: There he goes again, always pulling a robbie
by fratlaxer November 02, 2010
 
2.
To screw away every single part of an evolution.
Man, you had one gripe to work tonight. You broke the part, screwed up the maf, and even made the printer stop working.... You're Pulling a Robbie.
by Crooked Mettler November 03, 2011