When you are getting a blow job and you reach over her back and fingerbang her from over the top, coming in from behind. You must use the butt crack to cradle your wrist and/or forearm.
I was getting head from this slob the other day, so I fucked around and gave her a boomatang to even things out.
de Joe Cooler 2 mars 2006
Can you define these popular missing words?