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
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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
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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
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The act of forming a gun with ones hand, with the index and sometimes also middle finger as the barrel, and pretending to shoot at someone.
Sometimes one exlaims a "BAM!" or "Bam-eti-bam!" at the same time, indicating that one has "bammed" (i.e. beated or mastered in some way" the person being fingerbanged.
Ha, I won! Bam-eti-bam! *fingerbangs*
by Apfelstrudel August 10, 2006
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The motion of 'banging' a finger.
*Make your middle finger stick up strait, while rubbing it with your other hand. Voila, epic fingerbang. =
by MorphineMorgan January 16, 2009
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