1 definition by yabo-wabo

Top Definition
A variation of 'what the fuck', an expression of disbelief.
WTFO, however, is used when the disbelief is caused by a betrayal - when you betray someone you 'fuck them over'.
Bill: I told your g/f you ditched her last night to go bar-hopping.

Dave: What the fuck, over? You know I was at work covering for you!
by yabo-wabo September 16, 2004

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