Nickname for the hole cards 68 offsuit in Texas Hold'em Poker. Staying in a hand with these cards and winning it is considered to be a kick in the dick to everyone else at the table and proper etiquette is to show them at the end of the hand regardless.
Jason: I can't believe you called to the river with that crap and donked a straight over my aces.
Carl: Doesn't feel good does it?
Carl: That's why they call it a dick kick.