SHARK (3)

Shark, v. i. [imp. & p. p. Sharked (?); p. pr. & vb. n. Sharking.] 1. 1. To play the petty thief; to practice fraud or trickery; to swindle.
Neither sharks for a cup or a reckoning. Bp. Earle. 2. 2. To live by shifts and stratagems. Beau. & Fl.