Top definition
The action that is similar to a wet willy, except pertaining to the butthole instead of the ear. The procedure involves the licking of one's finger and the insertion of the moist finger into the butthole. This is then followed by a vigorous twisting motion.

Generally used as a surprise attack to bring discomfort upon the victim.
Operation Wet Nancy was a success! Gannon didn't see it coming and was in complete distress when Luke assertively started twisting his finger. He never saw it coming!
by LumpyChapstick March 18, 2009
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