To act, or to manage matters, to someone's advantage or benefit.

(intransitive, slang) To appeal to somebody very much.

(slang, vulgar) To perform anilingus on someone.

(idiomatic, colloquial) To amuse or astonish someone. / (idiomatic, slang, transitive) To stimulate someone's penis sexually.

(idiomatic) To appropriate someone's ideas or information, typically in order to look better at that person's expense. / (idiomatic) To detract from someone's accomplishments or glory; to undermine.

Third-person singular simple present indicative form of yank someone's chain

present participle of yank someone's chain

simple past tense and past participle of yank someone's chain

(idiomatic) To tease someone; to lead someone on; to goad someone into overreacting. / Used other than figuratively or idiomatically: see yank, chain.

(dated, idiomatic) To embrace someone affectionately or thankfully.