hulk out

Etymology
From, a fictional character, created by and  for the , who gains superhuman strength when he becomes angry.

Verb

 * 1)  To become enraged in an imposing or intimidating manner.
 * 2) To gain significant muscle mass from exercise.
 * 1) To gain significant muscle mass from exercise.
 * 1) To gain significant muscle mass from exercise.
 * 1) To gain significant muscle mass from exercise.
 * 1) To gain significant muscle mass from exercise.