(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.
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?