the burnt flap hanging off the side of a stale muffin; often used as an insult to people who are hella crusty
guy 1: dude that girl is sooo hot
guy 2: yeah but she's crusty AF
guy 1: dang it
guy 2: I hate it when girls turn out to be muffin flaps
guy 2: yeah but she's crusty AF
guy 1: dang it
guy 2: I hate it when girls turn out to be muffin flaps
by lizmaster March 12, 2015
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 01, 2021
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 March 08, 2016
by choda4u2 February 25, 2011
Dave: Guess who I saw in the club the other day?
Mike: Who?
Dave: That cheating flaps bag ex of mine!
Mike: Ohhhhh my days!
Mike: Who?
Dave: That cheating flaps bag ex of mine!
Mike: Ohhhhh my days!
by The Big Man AC Slater December 29, 2010
"I feel like tonight's gona be a great night downtown, Ryan is already drunk and doing the bird flap!"
by MadPlayRK July 06, 2014
Eyup pal, I managed to get Brenda back to my place after the club on Saturday but she was so bladdered she had brandy flaps from the off. I had to settle for a sloppy blowie instead.
by Jubbzarella May 31, 2015