Bad luck.

Expressed to someone suffering misfortune.

(uncountable) An undesirable turn of events (such as an accident); misfortune.

(colloquial, idiomatic, US, Canada) To experience great luck; to be extremely fortunate or lucky. / (colloquial, idiomatic, Australia, Britain) To be unfortunate or unlucky; to run out of luck.

A series of wins in gambling.

(idiomatic) astounding good luck.

(idiomatic) The random production of favorable or unfavorable results; chance.

A small sum given back for luck to one who pays money. / A coin carried for luck.

plural of luck penny

Extraordinarily good fortune; recurring luck.