jackwave
Sticking two fingers in a woman's snatch like you're trying to steal her secrets. If she doesn't scream, you're either lucky or she's a real b*tch.
He did the jackwave at the bar and got a free shot. That's how you know it worked.
She did the jackwave at the party and laughed. She was a legend.
He did the jackwave at the concert and got yelled at. Still a hero.