Yeskimo's definitions
A variation of the bump and grind which results in accidental or "accidental" penetration...aka sex on a dance floor.
Joe: "So dude, how was the party last night?"
Dan: "Man, it was awesome, me and Kelly were grinding all night and then....we started speedbumping."
Joe: "No way man! Nice!"
Dan: "Man, it was awesome, me and Kelly were grinding all night and then....we started speedbumping."
Joe: "No way man! Nice!"
by Yeskimo August 19, 2009
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