a move or short sequence of moves in which both players capture material of comparable value, or particularly the exchange in which one captures a rook in return for a knight or bishop (and is said to win the exchange ).
In the tense chess battle, both players maneuvered for an exchange, hoping to win the rook for a knight and gain a slight material advantage.
by Arminkshipper July 17, 2024

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.
by PoopyBungus June 11, 2022

by Cheeseyweenie March 20, 2025

To engage in an intense 69 session with a fellow male for (hopefully) long periods of time followed by swallowing each others loads.
"Dude, you up for another brotein exchange? I'm horny as fuck and my balls are full." "Same here bro. Horny as fuck too. I know you love the taste of my sperm. My parents aren't home so we can get together here."
by Watchinfool September 21, 2023

A potentially sticky situation where both you and your best bud are close and your mutual friends think you're both str8 because you have girlfriends, but you're actually surreptitiously meeting for gay/bi sex aka a brotein exchange. These hook-ups include alot of sucking each other off and swallowing each other's loads in addition to mutual foot worship.
When the girls thought we were spending the weekend at the shore, we were actually engaging in a brotein exchange at a motel down by the airport.
by Watchinfool September 20, 2023

by BeastEJ December 14, 2018

A Dolly-Rogers Exchange is a hypothetical choice involving the exchange of one highly valued item for another that one is unwilling to make. The name comes from the hypothetical sacrifice of Dolly Parton in order to raise Fred Rogers from the grave.
Rob: "Would you kill Dolly Parton to raise Mr. Rogers from the dead?"
Al: "No way would I take the Dolly-Rogers Exchange."
Al: "No way would I take the Dolly-Rogers Exchange."
by DrBruz June 07, 2024
