22
The act of receiving anal intercourse from a foreign day laborer.
I went to home depot in hope of getting brownbacked in the parking lot.
by foulness November 28, 2011
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23
Area of fecal smearing in the lower back done by the penis during or at the end of anal intercourse, caused by the bottom partner a priori failure to clear their bowls.
After fucking her in the ass, I gave her a brownback.

While fucking my ass, he pulled out and gave me a brownback.

One of the benfits of double penetration is the possibility of instant double brownback - that's why you should try it!
by crycrybabycrybaby February 12, 2015
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24
The act of having unprotected anal sex using your partners fecal matter as luberication.
The governor of Kansas brownbacked his aide Jesus so hard he had poo splatters all over his desk.
by Way dog February 13, 2015
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25
A type of anal sex wherein the receptive party has an anal cavity full of feces.
"You want to do anal? Ok, but I haven't taken a shit all day. Hope you're ok with brownback."

When John forgot to douche before bottoming for Harry, their bareback sex quickly became of the brownback variety.
by Banana_man1987 February 12, 2015
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26
A term that is used when a baby has shit so much it went up its lower back.
"Man your baby smells dude,Holy shit it has a brownback. You should clean that shit."
by haloboy May 06, 2009
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27
When a person smears Santorum on another person's back after anal sex.
"Hold still, I'm not finished brownbacking yet!"
by Kama Sutra Scholar February 16, 2015
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28
The stain that occurs from the reverse flow of semen and fecal matter after anal sex.
Although Sam tried everything, he was unsuccessful in removing the foul and unseemly image of the brownback upon his lower torso.
by HEYWOOD JABLOME February 12, 2015
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