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jokingly making fun of someone constantly about something in particular they did. used alot in the 1920's and 30's.
i wish they would stop who-rahing my friend about his girlfriend.
by dooder2007 May 21, 2010
a large burst of excitement coming from the mouth (not cum)
"WHO RAH! i finally f'ed ur grama!"
by cafralabo April 16, 2003