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1 definition by Killer Katastrophe

the definition of a ghost grinder is person while at a dance attempts to grind on a person without the grindee knowing and then after a while tap them to show you they have been grinded on and watch their angry face pursue
at sadies last my friends and i did the ghost grinder on abby and annie for a whole minute w/o them knowing
by Killer Katastrophe May 03, 2009