(v) In poker, to return your cards to the dealer without showing the other players. Differs from fold because folded cards cannot be shown during play (forced muck). Muck implies choice.
He mucked his cards so I couldn't see if he was bluffing or chasing.
1) A moist, sticky mixture, especially of mud and filth.
2) Moist farmyard dung; manure
3) Dark, fertile soil containing decaying vegetable matter; peat
4) Something filthy or disgusting
1) The pigs are allowing in the muck.
2) Grab a shovel and help clear the muck out of the barn.
3) The bog is filled with muck.
4) What's that muck floating in the pond?