I just went to the bathroom, but there was still piss on my dick after I went, so I had to fin flap to get it off
by bisensual_bowser November 1, 2021

by Lord Gannet V March 6, 2020

The instance of a man unexpectedly getting hit (skin to skin) with another man's penis in a nude bar.
Pat turned around to his buddy at the nude bar and says" Dude that guy just Flap Jacked me with his dick and it touched my hand!
by MGM629 August 8, 2016

When a loose girl's labia majora dangles considerably lower than the rest of her vagina, much like the headwear Dappy from N Dubz wears.
by Darkwun October 24, 2011

When look at the penis externally, the flap of mars is where the scrotum curls around the side of the shaft, leaving a flap which doesn't move without prodding or poking.
Man 1: I've got a big dick.
Man 2: Yeah, but The Flap of Mars in your pants is below average in terms of flaccidity.
Man 1: ...damn.
Man 2: Yeah, but The Flap of Mars in your pants is below average in terms of flaccidity.
Man 1: ...damn.
by NigelMarsflap June 4, 2010

by choda4u2 March 12, 2011

When you go to the store, and see several people, but you can’t escape talking to them and get stuck talking for a long period.
by Humble Goose November 26, 2018
