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.
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.
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."
Similar to a Dutch Oven (blowing a fart in bed and then pulling the sheets over your and your bed pal’s head to fishbowl the aroma of your stinking toot), the Dutch Blow By is when your are spooning your lover. And as the big spoon, you reach around to manually stimulate your lover, said lover then blows a fart on your junk or thighs. And as you try to escape the blinding gas, a plume of stank volcanoes out of the sheets.
A Drive by Blowjob is a blowjob that is given out of nowhere and comes without any further sexual expectation. A woman will randomly walk up to her husband and blow him.