blow by

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

Blow By

When you fart past a shit and it gathers shit molecules on the way out.

Blow by the shit and doo doo walls of your nasty asshole.

by Rev Sharpton January 7, 2022

blow by

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 3, 2003

blow by

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 May 3, 2007

blow by

The small amount of wet shit that ends up in male underwear after urinating, usually caused by farting or a relaxed anal sphincter.

Mom: "Goddamit it Sol, look at this blow by in your underwear!"
Son: "Oh fuck you, just do the laundry and shut up."
Mom: "I swear Sol, sometimes I don't think you're my son, or Jewish, or enrolled at Penn."
Son: "Suck my soulja boy, Mama."

by SollyTude August 9, 2008

blow by

The jizz that runs out of your chicks mouth and down her chin after a huff because it to much to swallow.

you'll have to clean that blow by up before I'll kiss you

by blo-by February 12, 2003

Blow-by

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.

Ashleigh, is that blow-by I smell?

by Dr. Duty September 5, 2012