An extreme form of saying no. Used commonly when referring to any form of sex with a person over 120 lbs. and shorter than 5'5
Luke Skywalker - "Yo, Chewbacca..I heard you was at Jabba the Hut's crib til' five in the morning...what's up with that?"

Chewbacca - "Wraaaa oooooh aaahhhhh! (Wookie for "Heellll Nawl!")
by Al the UnderWritten December 1, 2003
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