A phrase meaning to be betrayed by another. Originated during the slave trade in America. Selling a slave "down the river" would uproot the slave from their from spouses, children, parents, siblings and friends.
I can't believe that my manager said that project failure was my fault. I was really sold down the river on that one!
by Mike-us K-us July 31, 2006
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Taking a large dump and flushing the toilet a few times to get the entire contents down the pipe
"Where's Tony, we have a meeting in 2 minutes!" - "he's sending mandela down the river, he should be out in a minute"
by Greg The Keg May 1, 2009
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Fill a solo cup with beer. Take a deck of 52 cards. Two people each draw a card. The person with the highest number (1 - 13) doesn't have to do anything. The person who draws the lowest card has to chug the beer for the amount of seconds equal to the difference in the cards. (example: Anna draws a four, Patty draws a nine). Anna has to chug beer for five seconds (use a stop watch). If you draw a joker, the person who drew the joker has to chug for three times the amount of the other card (example: Patty draws a joker, Anna draws a six. Patty has to chug for 18 seconds). The goal of the game is to finish the entire deck of 52 cards in the shortest amount of time. Can be played with multiple teams going against each other.
Hey Anna let's play Up The River Down The River tonight...

Okay Patty. It's on. Bring all your friends...
by indianna500 June 10, 2009
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When you are having sexual intercourse and your partner has an urgent diarrhea, which he/she cant hold and lets go. But being the brave man that you are, you ignore the obstacle and keep on doing what you love the most... (no pun intended)
Bro, me and my sis totally went down the river Thames last night.
Going down the river Thames is my lifestyle.
by Sir Gregory Thames November 22, 2015
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That down river girl had sex with all of us.
by Redboi December 31, 2005
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The Lambton County way of saying "Buying smokes". It's said because the first nations cigarette buildings are "Down river". Smokes are sold relatively cheap there.
"Hey mom, would you mind running down river for me?"
"Sure what do you want"
"Lights".

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"Hey man, wanna run down river for some DK's?"
by Zeesee August 23, 2011
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