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1.
1. The act of a football player in the National Football League dipping his finger tips in pepper and then smearing them on the face of his opponent when no one can see the infraction, typically in pile-ups after tackles but sometimes during plays.

2. Any NFL rules violation done outside of visibility with an attempt to physically harm another player.
The center was blinded when sweat carried pepper into his eyes after another player that was finger-dipping got his hand under his face mask while on the bottom of the pile.
by Brent Graham November 29, 2011