flappy fap
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."
Croatian flappy fap
When an average Croatian female gets inslired by flapoy bird and decides that normal fapping just wont do. Sh eprezends she is rhe bird in flappy bird, and does the Croatian flappy fap.
"I was just talking to my friend, and she suddenly started spinning!"
"Is she Croatian?"
"Yes"
"She was doing the Croatian flappy fap."
"Is she Croatian?"
"Yes"
"She was doing the Croatian flappy fap."