Its when u lick ur finger then put it in some ones ear and twist ur wet finger around.

a prank in which the prankster licks/spits on his finger, sticks it in the victims ear hole and then turns it round and round.

to stick ones finger in your mouth, lick it and stick it in someones ear

A wet willy is to lick/spit on your finger creep up to an unsuspecting person and put your finger in their ear while turning it around

When one wets a finger generally the pinky usually by covering in saliva then inserts into somebodys earhole and spins eraticly causing overall discomfort in order to wreak havoc or humiliate.

A wet willy is a prank that involves wiping a stick of butter all over your dick and then sticking your dick into an unsuspecting victims ear when they are not looking. This prank was used commonly during the Great Depression Era to lift the spirits of out of work Americans and was recently revived when demonstrated in the 1980's sitcom "The Facts of Life", when Phil Drummond (of Different Strokes) came to visit the girls at their school.

were you are having vaginal intercourse and the male or female urinates during it