Top definition
The foul smell of a fart that has gained momentum by passing by a turd before exiting the rectum. Usually accompanied by a prairie dog. Scent is thick, heavy, and smells like shit, rather than gas.
by Dr. Duty September 04, 2012
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2
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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3
Gas that escapes between the wall of the anus and the poop that needs to come out.
Hey Ralph, you smell that! I have to shit so bad I've got blow-by.
by Elvis October 18, 2003
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4
To blow a load and run. AKA drive-by.
I can't believe he pulled a blow-by. I'm never speaking to him again. What a jerk.
by Jolie St. Laurent April 09, 2006
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5
a blow-by is when a turd is lodged inside your poofactory the actual blow by is when the backpressure blows by the turd.
the pope is a blow-by
by sheriff woody February 26, 2004
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6
Similar to drive-bys. However in this case the act is to satisfy an acquaintance by driving by in a 20-inch rimmed car, dropping a 'ho' out and allowing him to suck the acquaintance's cock.
That snoop dogg fellow is capital. I must send my bitches on a blow by
by Spencer February 03, 2003
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7
A burp collected in the mouth and quietly blown into an unsuspecting victim's nose.
After a burning sensation in her nose, The Baub's wife realized that Jr. perpatrated a perfectly-timed blow by. It smelled like a dead and bloated kangaroo stuffed with used baby diapers.
by L'Regis April 24, 2007
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