to prey on, to prey upon. intransitive. To take advantage of; to exploit; to make (esp. a class of person) the victim of a particular crime…

To put oneself upon: in various senses. To encroach upon, to ‘put’ upon. Obsolete.

transitive. To prey upon (in quot. 1681 figurative); to exploit. rare.

intransitive. With off (also on, upon): to impose upon (someone) for maintenance or sustenance. Now rare.

figurative. to twirl (a person) round one's finger: cf. to turn (a person) round one's finger at finger, n. phrases 4i, twiddle, v.1 2b.

intransitive. slang. To take advantage of (someone); to circumvent; (also, in later use) to dominate, overwhelm.

transitive. To take advantage of in an unfair or unethical manner; to utilize for one's own ends.

figurative. With complement. transitive. colloquial (originally U.S.). to play it (on): to play a trick, cheat. to play (it) low down (on): to…

to avail upon (a person): to take advantage of, impose upon. rare.

intransitive. Australian and New Zealand slang. To take advantage of someone; to impose or sponge on; to shirk, do less than one's share. Also: to…

transitive. colloquial. Originally U.S. To deceive, hoax (a person), esp. in a joking manner; to tease; to have (a person) on.