The act of taking a dump, but holding that dump hanging out of your butt cheeks, then recieving a tit wank. Leaving the tit-wanker with a brown tie.

You're about halfway through ass-wrecking a chick, and instead of filling up her keister with your demonseed, you pull out and proceed to tittie fuck her, leaving a brown streak between the funbags.

To screw a slut in the ass and then titty fuck her with your shitty dick.

When you take a dump between a chicks tits then fuck the shit between her tits. You can take it a step further as she sucks your dick when it pokes out the top of her tits.

A streak or small turd left by the anus on the chest just below the breasts during the act of titty-sex.