It is a sexual act you perform with your partner. It is when you (The Shaggy) put peanut butter on your shaft and testicles and then you're significant other (The Scooby) licks it off like the famous cartoon character Scooby Doo. At the point of climax, The Shaggy is expected yell "Zoinks!" to notify The Scooby that they have climaxed.
by PimpSlapDaddy May 4, 2021
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When you fart in your hand and put your hand in someone's face
I gave Jack a scooby snack when he was sleeping and he puked
by 69_edits@IG January 15, 2014
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When smoking weed from a pipe and a piece of the bud comes through the pipe and down your throat/windpipe. Which can cause you to cough and look like an amature smoker.
Stephan: Dude i thought you smoked all the time, you made us look bad in front of those guys.
Leon:Dude im good, it was a scoobie snack from your shitty, wack ass pipe.
Stephan: ... my bad.
by G-phresh June 20, 2006
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The ashes in ones mouth after smoking marijuana out of a pipe.
"If you hit the pipe last you're gonna' be eatin' scooby snacks"
by vandy is a tool March 5, 2008
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orig. Midwest United States

When involved in the consumption of marijuana via a common metal or glass pipe, minute pieces of marijuana or ash or resin build-up may be inhaled into the mouth or throat, thus resulting in the "Scooby Snack."
Chad: "Watch that hit man, I know it's close to kieshed so you might..."

Matt: *spit* *hack* *cough* "Aw, man, I just got wicked hefty Scooby Snacks on that!"
by Mojo the Rev. February 12, 2009
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The mixture of loose leaf chewing tobacco (such as Red Man or Beechnut) and any sort of chewing gum. The chewing gum keeps the snack together as you chew on it but still enjoy the taste and possible buzz of the tobacco. This little treat is what was, once thought to have inspired the writers of Scooby-Doo to make the Scooby Snack...this is most likely not true. What is true, is that this a delicious way to pass time.
Hey what do ya got in your mouth there? ...Just a lil' scooby snack
I'm in need of a scooby snack right now
by Please Use December 31, 2011
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When one farts in their hand and cups their hand around another nose.
Did you see me give Jerry a Scooby Snack. He almosted passed out!!!
by Gas Man1346 September 3, 2010
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