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9.
Finger Bang is the name of the boy band the boys from South Park and Wendy try to start up in order to make Cartmen's life long dream come true, to make ten million dollars.

To finger bang to use ones finger as a gun.

Finger Bang to rapidly insert one's finger(s) in and out of the pussy or anus.
"Have you heard Finger Bang's new cd? It's banging!"

With the hand in a gun shape - "Bang Bang I shot you down."

Guy 1 "So how was having Anna over last night?"
Guy 2 "Oh it was totally great I finger banged her all night long."
by MoonSunStar April 07, 2008
 
1.
boy band from South Park
by Anonymous May 15, 2003
 
2.
The sexual act where the finger is inserting into the vagina or anus to imitate the motion of an inserted penis. Also: finger, fingerfuck.
Before we had intercourse, he proceeded to arouse me first by fingerbanging my vagina.
by Steven March 26, 2003
 
3.
A more fervant form of finger fucking.

Usually associated with more than one finger and, occasionally, the nether hole.
I'm really in the mood to finger bang someone.
by Elroy Fitz January 31, 2004
 
4.
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.
by M!ch@3l September 18, 2005
 
5.
An extremely talented boyband featuring Cartman, Kenny, Kyle, Stan, and Randy Marsh.
"I'm gonna fingerbang bang you in to my life."

genius words from the guys themselves
by hiphophead293847 January 12, 2010
 
7.
when a guy sticks his fingers fast up a girls pussy and rubs and pets inside
he pulled off my thong, and stuck his fingers half way up my pussy and rubbed my walls, then fast pushed then up all the way, jamming and petting me inside roughly, fingerbanging me
by quealana October 07, 2007