A condition exhibited by a worn-out internal combustion engine when the piston rings no longer efficiently seal the combustion chamber, allowing compressed air and fuel to escape the cylinder and thus power is lost and emissions are increased. The engine also usually burns oil.
I was going to buy that 350 from Carl, but it had too much blow-by and needed to be rebuilt
by FlYhEaD January 20, 2005
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1) to seriously fuck up a situation
2) to suck a given dick
3) to expel air out of the mouth toward an object
1) Liz really blew it when she started using her teeth while blowing it.
2) "Well, I'm on my knees. What should I do now?"
"Blow it!!!"
3) "I actually meant SUCK it, ya dumb bitch (SMACK!)"
by Nick D April 10, 2004
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means to give or receive blowjob.
"Julie came over this weekend and gave me the blow by blow"

"I gave him the blow by blow"
by Niggawut? December 16, 2004
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Term used for heroing (blow is cocaine... blows are heroin) in powder form that is insufflated.
"Dude, we went up to the tip and got some blows."
by gardenofsound September 26, 2004
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Alright i think im going to go get something to eat because im blowed
by tik602 February 06, 2010
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