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