When you have anal sex with a girl and when her asshole is nice and gaping you turn around and shit in her asshole
That chick Brooke is such a slut she let me give her a Manhattan Exchange.
by betrayal4life February 20, 2015
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A Manhattan Exchange is where one person lays with their ass in the air, gaping it open, while another person stands over them and shits into their ass. Then they swap positions.
"My wife told me she wanted to try The Manhattan Exchange, so I shit into her asshole."

"Gross bro"
by PoopyBungus June 12, 2022
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When you have anal sex with a girl and when her asshole is nice and gaping you turn around and shit in her asshole
That chick Brooke is such a slut she let me give her a Manhattan Exchange.
by betrayal4life February 20, 2015
Get the manhattan exchange mug.