A term for masturbation made popular by E4 comedy 'The Inbetweeners.'
(Reading a self-penned valentine's card) "Jay, you massive stud, please spaff on my tits. From your valentine's bitch. PS. And on my face."
by Choadalay-dee-heeee January 9, 2013
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Spaffing is the act of simulating an ejaculation by spitting on a partners back, this is most commonly used in stage one of a houdini.
hadrian spaffed all over coxy's back last night, coxy swears to god he thought he'd came! then coxy turned round and bang! pirate eye!
by d to a the to the n-n-y February 11, 2007
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spunk, jizz, cum, semen, sperm, eager little swimmers, tadpoles, wee men, jizzum, spunk.
by Tom Thirwall August 30, 2003
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Spaffing is the act of simulating an ejaculation by spitting on a partners back, this is most commonly used in stage one of a houdini.
hadrian spaffed all over coxy's back last night, coxy swears to god he thought he'd came! then coxy turned round and bang! pirate eye!
by d to a the to the n-n-y February 9, 2007
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One with an enormously large penis could potentially spaff a city, sending skyscrapers tumbling (imagine if the planes that flew into the World Trade Center were a giant penis--that would be a a city-spaffing.)

Also:

He finished rocking the crib with a swift spaff of the baby.
by Nate March 11, 2005
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