A dance move, usually done solo, in which the body moves like a butterfly would flap its wings. Picture there are two girls right next to you both standing on chairs. You are smacking each of them in the ass. As for the legs you just move them in rhythm with your arms.
A much cooler way of saying plan. Similar changes can be made to other words as well. For example: Crook-->Crizzook; this tactic simply makes the word much more fun to say, and the speaker will appear approximately twice as cool.