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1.
One who changes their mind about what they believe or want to do very quickly and make themself seem stupid in the process
Jeff: Yeah man I don't think I want to go to the party I'm hella tired...

Jim: Alright dude I'll tell Courtney you aren't going, man she'l be missing you...

Jeff: Uhhh on second thought... I guess I'm not really that tired.

Jim: Man you are such a waggawopper.
by jerdman22 March 24, 2010