1) when you shape your finger like a
gun and go bang bang!
2) the name of the boy band
Stan, Kyle,
Cartman & Kenny made that Wendy joined
3) to pleasure a woman with your hands in her pussy or ass or even to a man via the ass
Cactus Jack's signiture taunt was to finger bang and say "Bang, Bang".
"I'
m gonna finger bang, bang you all through the night. I'
m gonna finger bang, bang into
my life.
I finger banged Michelle last night. She obviously liked it cause she giggled and moaned during it.