A large number of people; most people.

(nonstandard) Alternative form of themselves.

Synonym of everyone and their mother

plural of a life of its own

(idiomatic) To seduce someone romantically. / (figuratively) To overwhelm.

(vulgar, slang, the third person plural) they (in the plural); them (in the plural); themselves (in the plural).

(idiomatic) To prevent someone from continuing along a path or way, literal or figurative, he has begun going along.

(nonstandard) Alternative form of themself. / (nonstandard) Alternative form of themselves.

his nibs in the third person plural

Alternative form of theirn