The act of sticking your index finger(s) in the dimple
spot(s) on your cheek and rotating your finger(s) around. Has two (2) meanings:
(1) When accompanied by an "awww"
sound the dimple
twist is used to pretend to feel sorry for someone or try to embarrass or annoy them
(2) When lacking a verbal accompaniment it is used to admit wrongdoing while still feeling coy about the bad behavior