Top definition
a deliberate punch to the scrotum. usually causing a brief blackout, mild neausea, pins and needles in the legs,and the possible loss of balance. a wowzerdoo can NOT be performed by a girl. it is a sad man revenge tactic, often employed by those who cannot fight fair.
a wowzerdoo is acceptable if you have caught your friend sleeping with the same girl as yourself
john gave me a wowzerdoo (?)
by fulltiltmonkey August 29, 2007
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