plural of someone

some person.

A partially specified but unnamed person. / an important person

someone is / someone has

The possessive adjective for someone.

(MLE) This is what (the named person) said or did; used in recounting events, etc.

Used as an intensifier for actions causing harm or detriment to someone / Used to indicate that an action normally beneficial may be performed in a way that causes harm or detriment to someone.

(UK, Ireland, New England, Newfoundland, Australia, New Zealand) An exclamation of encouragement or congratulation: well done. / (Australia, New Zealand) Used to express thanks.

(informal) One's decisions or actions will bring undesirable consequences only on oneself.

(idiomatic) Someone is the butt of a joke or is experiencing a negative outcome, especially if that person was trying to make someone else the butt of the joke or subject them to the negative outcome.