Alternative form of theirn

plural of a life of its own

(dialect) Themselves.

Synonym of everyone and their mother

(transitive) To take someone literally even though they may not have been serious; to take someone seriously even though they were joking; to take up a challenge that was initially meant as a joke.

(UK) Alternative form of beat someone at their own game

(figuratively) To successfully use someone's methods and strategies against them.

(idiomatic) (of two or more people) to cease travelling or spending time together; to depart with different destinations.

plural of Her Majesty and His Majesty

Alternative form of to each his own