(idiomatic) At one's disposition; easily controlled by someone due to their power, affluence, charm, etc.

(informal) To get what's coming to one; to receive one's comeuppance; to suffer the undesirable consequences of one's misdeeds.

(UK, slang, obsolete) The pawnbroker's sign of three balls.

(Canada, Philippines) First grade.

A ballroom dance that was popular at the beginning of the twentieth century

Synonym of one-man

Synonym of one-man

(theater) A play of one act

plural of one-holer

plural of one-cold