Shaking your dick to remove remaining droplets of fluid
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
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
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!
A woman who enjoys the company of more than one man at a time. May also refer to an ex-girlfriend.
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!
When a girl is too drunk to have sex- the equivalent of whiskey dick/brewer's droop for men
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.
A dance typically conducted while pre-gaming before the bar.
"I feel like tonight's gona be a great night downtown, Ryan is already drunk and doing the bird flap!"
The term used when a girl masturbates.
I'm going to go wiggle the flaps, be right back.