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
in online poker terms, it is a player that has much experience with playing multiple tables for an extended period of time, but never lets the competition know of his identity and/or experience. These type of players are very hard to beat.
A Ghost Grinder won a tournament today, after he deceived many players at the table by asking simple questions that only new players ask.
by Ben Gamble September 06, 2009

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