(Irish slang) 1. To have wild and aggressive sexual intercourse.
2. An arousingly attractive person, usually a female.
3. A loose female who resists very little or not at all when approached by a stimulated male of whatever species.
1. "He flahed her brains out the other night."
2. "Look at that one over there, what a fucking flah."
3. "I heard she's a bit of a flah, she'd be mad for cock."