1) Confidence trick 2) Shaking a leg 
Hustling is the deceptive act of disguising one`s skill in a sport or game with the intent of luring someone of probably lesser skill into gambling (or gambling for higher than current stakes) with the hustler, as a form of confidence trick. It is most commonly associated with, and originated in, pool (and to an extent other billiards-family game....
• (p. pr. & vb. n.) of Hustle