The liquid that is held between the cheeks of your ass that smells like a mixture of sweat and shit.
Person 1: Dude, I was sitting down all day, and I've accumulated some Bum Sauce
Person 2: EEEWW!! THAT'S GROSS! AIN'T NOBODY WANNA HEAR ABOUT YOUR BUM SAUCE!!
Person 2: EEEWW!! THAT'S GROSS! AIN'T NOBODY WANNA HEAR ABOUT YOUR BUM SAUCE!!
by Jeffery Deadstein May 12, 2020

by Terp Sauce September 9, 2022

A condiment for fries. 2 parts mayo, 1 part ketchup. Sold in fast food places in Utah, not really anywhere outside of UT.
*In Utah*
Ordering at 5 guys : Can I get some fry sauce?
Order taker : Of course
*outside of Utah*
Customer: Can I get some fry sauce?
Order taker: Fry sauce??? Some ketchup?
Customer: What?? No! Some fry sauce, not ketchup!
Order taker: I'm sorry, I don't know what you're talking about.
Customer: Fry! Sauce! For the fries!
Order taker: Sorry, we don't have that sauce, we have ketchup, ranch, mayo, mustard, BBQ sauce, and buffalo sauce if you want one of those.
Ordering at 5 guys : Can I get some fry sauce?
Order taker : Of course
*outside of Utah*
Customer: Can I get some fry sauce?
Order taker: Fry sauce??? Some ketchup?
Customer: What?? No! Some fry sauce, not ketchup!
Order taker: I'm sorry, I don't know what you're talking about.
Customer: Fry! Sauce! For the fries!
Order taker: Sorry, we don't have that sauce, we have ketchup, ranch, mayo, mustard, BBQ sauce, and buffalo sauce if you want one of those.
by Crying Goat September 29, 2020

by HGOOD13 June 29, 2011

by LD66 December 12, 2022

Alcoholics who are always out on the piss. Constantly on the sauce having pints and partying . Sauce mechanics might involve the opposite sex using some love.
by Carlow wans April 12, 2017

adjective; to call someone or to call something, "cut sauce" is to say that it/they are a weaker version or just not adding up.
by vasqueza July 7, 2014
