Magic shell hulk 

To paint one's flacid penis green, then dip the aforementioned painted penis in magic shell giving it a hard chocolate coating. Upon obtaining an erection, the newly green dick breaks free from its chocolate barrier in a Hulk-like Fashion. Hulk smash!

"You should have seen the look on that chicks face when I magic shell Hulked for her"

Magic shell hulk by Definatly Not Anthony August 22, 2012