After any group or groups of persons, gay or straight, engage in anal intercourse, the man who's penis has been inside the other person's rectum, uses his now fecal covered penis to draw a picture, using the person's fecal matter, on his or her back. Sort of
like a poopy
game of Pictionary. The draw-
ee, as it were, tries to guess what the draw-er is drawing.
"So check this out Bro, Josh and I were Brown Backing last night and he drew the logo for the Chiefs on my back! I totally got it before he was
even finished! Brownbacking Kansas Governor Sam
Brownback brown brown backing
brownback