Misspelling of there's.

Third-person singular simple present indicative form of run someone off their feet

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

(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.

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

plural of Her Royal Highness and His Royal Highness

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

simple past tense of run someone off their feet

Alternative form of to each his own

Alternative form of everyone and his mother