flop trash Share definition Flag v. to have bad cards turned up in Texas Holdem poker. player1 wins with 2 pair player 2 has nothing Player1: Flop trash more plz. Player2: STFU!!! flop trash by Koby_Fish May 1, 2006 0 0 Get merch Get the flop trash mug. Buy Now — $32.95 See more merch