A sexual act similar to snowballing, in which a male or female recipient accepts a male's semen into his or her mouth and spits it back into the male's mouth. Blowballing involves all the same steps except that the recipient also vomits back into the male's mouth, either by swallowing and purging the semen or holding the semen in their mouth and inducing vomiting. The male them swallows both the recipient's vomit and their own semen.

Sometimes blowballing is a botched attempt at snowballing
Tom was very upset when Mary attempted blowballing him. His shirt was ruined by the attempt.
by jewbacca1897 February 9, 2010
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(Noun.)

1. A round, fluffy plant seed head, such as a dandelion clock.
2. An essentially meaningless insult which nonetheless sounds vulgar enough to be evocative.
"There is a blowball on the dandelion."
"You locked the keys in the house, you absolute blowball."
by Punch Dagger of Serenity June 14, 2018
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A sexual act or intimate foreplay of washing the testicles with a slightly warm wash cloth then blowing on the back or side of his balls. Changing the focus area of the "blow" of air can add to experience. Some will place the testicles in their mouths and hum. It can be a climactic experience or beginning to a great night. Most popular amongst mixed race and BIPOC communities, but is becoming more popular with all ethnicities.
Do you know how to blowballs? Could I interest you in some foreplay including blowballs tonight?
by Peachlil April 8, 2021
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1.n. Someone who illustrates extreme stupidity.

2.n. A sphere which has been increased in surface area and volume by being filled with a material substance, such as a balloon filled with air.

3.n. The state of being a homosexual or prostitute who sexually stimulates the testicles of another orally.
"Joe is such a blowball!"

"That blowball is filled with helium."

"Hey blowball, lick my testicles!"
by Carlos April 17, 2004
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1. verb. To use a blowdrier on one's scrotum so that it sags to its maximum length and then, whence the scrotum is fully sagged, is then slapped across the face of some poor soul. Is often used in situations similar to "tea-bagging."
"Dude, I totally tackled this nerd in intramural, flag football and proceeded to blowball him in front of his gf. He can't look her in the eye anymore. It was rad"
by TotallyNotTheDoiler July 15, 2018
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