When ones hand is extremely flappy and/or numbed, which is to be used to pleasure ones self. Or also known as masturbating with a flappy hand.
Guy who's about to flappy fap: "Right, time to get the tissues and fap myself with my numb hand. I'm really feeling the tingles tonight."
Flappy Battle
1. A competition of the phone game Flappy Bird between two friends.
2. sex
Marco: Where'd Harry and Jane go?
Reginald: Oh, they're off having a Flappy Battle back at the hotel
Marco: They're fucking?
Reginald: No, they're actually playing Flappy Bird. Obsessively. Actually it's kind of worrying me.
The outer lip region of a woman's vaginal area.
I was going down on my girlfriend and her flappy monster seemed to quiver.
A vagina with a large labia that hangs down like flaps. Also know as beef curtains.
Yo Karen, can I fuck that flappy flange of yours.
A series of successive farts that make it sound like a motor bike revving.
This can be from anus or vagina.
That dude just let off a flappy turbo
A group of women with extra large vaginal lips, aka labia. An annoying yet addictive game.
Anthony : I was up smashing Flappy Birds til 5am this morning.
Dean : WOW! That's awesome, how many?
Anthony : 4
Dean : Bullshit! You fucked 4 chicks last night, and they all had a big old rubber band sandwiches?!
Anthony : No, 4 was my high score. I can't stop playing that game. I'm lonely....hold me.
flappy slapping, flappy slapper
The act of physically slapping/assaulting any person found to be playing the game "Flappy Birds" on their mobile device.
Variant of Happy Slap
"She was playing that fucking game again, so I flappy slapped her right in the flaps"