"A flash. Meaning to "tempt him".
Used by less than desirables females to get laid. Often done by either flashing the tits or ass or by just dropping the skirt, lifting the leg and thrusting the pelvis forward to reveal the hidden agenda.
Chrisy: I cant't seem to get Bob's attention.
Missy: Girl what's wrong with you?
Tim-Tim you stupid bitch!
He'll come around ballsout.