Definitions by Fred the Philosopher of Flavor

Penis Fly Trap 

When a girls between your legs giving head and you're about to cum, forcefully squeeze your legs together trapping her head between your thighs and forcing her to take your jizz.

lars: "damn, that girl gave you a dirty look"
mitch: "yeah, i gave her the penis fly trap."

Penis Fly Trap by Fred the Philosopher of Flavor January 13, 2008