Start out in the kitchen, Begin to have sex with your girlfriend doggy style and, before you bust grabb a pinch or handfull of flour, when you almost finish pull out, yell a flour power and when she looks throw the flour in her face. Also linked with the Sour Flower
Guy 1. Bro you wont believe what i did last night to my girlfriend.
Guy 2. What?
Guy 1. Flour Power!!!!
Guy 2. Damnnnnn!!!!!