1) turn the knobs to draw a picture (twist the nipples to draw a "happy face" on the female)
2) shake to erase the sketch (the "happy face" is removed once the male repeatedly penetrates the female by moving her up and down quickly)
"Yea dude, i think we should leave and avoid trouble"- Sarah
"Good idea you always give great advice"- David
Not to be confused with sketch, which is an entirely different word.
"I don't know, it's pretty etch-a-sketch if you ask me"
Yea i know!, we gotta keep away from him if you don't want any trouble.- Sarah