An very attractive woman that, when seen unexpectedly, causes an involuntary twitch in a a man’s penis. It does not necessarily result in a full erection.
Person 1: “Bro, did you see that?”
Person 2: “See what?”
Person 1: “That hot chick over there. She is a total Willy Twitcher.”
a sportplayed in south sudan involving 2 balls, its basically soccer but instead your team has a ball that you need to kick in the opponents goal while defending your goal from the enemy's ball