A movie about Dennis Hopper wanting to blow up a bus because he had too much amphetamines.
Homer Simpson: I saw this movie about this bus that had to SPEED around a city, keeping its SPEED over fifty, and if its SPEED dropped, it would explode! I think it was called "The Bus That Couldn't Slow Down."
by rustyshackleford August 2, 2007
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Sarah:
Look at that paranoid pale faced bloke talking bollocks who looks like he's been awake for 2 weeks!

Me: Yeah, that's Chris, he's on speed


by TidyTrip March 17, 2003
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To take the drug 'speed'
"Hey i got £20, what you wanna do?"
"lets go speeding"
by Zeitgeist August 3, 2006
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People need to get this strait.

Speed is a slang word for powerful stimulant drugs. Speed has a broad meaning, it describes almost all powerful stimulants, whether street drugs or perscription drugs, except for cocaine. The most common use of the word Speed is when describing Methamphetamine or street Amphetamines, But can also slang for any of the following street drugs (parenthesis are slang):
-Methamphetamine (Meth, Crystal, Crank)
-Street Amphetamines

-MDMA (Ecstasy)
-MDA

Speed also is used to describe any of the following Prescription ADHD medications, usually referred to as speed when using the medication to get high. (parenthesis are brand names)
-Dextroamphetamine (Aderall, Vyvanese, Dexedrine)
-Methylphenidate or Ritalin (Ritalin, Concerta)

Some of speed's effects: increased energy, nervousness, shaking or trembling, dilated pupils, Euphoria, anxiety, stress, increase in focus, racing thoughts, increased sex drive, insomnia, restlessness, body aches, dry mouth, complete loss of appetite, grinding teeth, twitching of the eyes or "tweaking" etc.

Speed is powerful, and isn’t for everyone. The comedown isn’t fun, but is often exaggerated on the internet. Just drink water and sleep, and quit being a pussy.
Dude, me and joey got so high on speed last weekend we haven't slept in over 3 days!

Speed is a slang term describing almost all powerful stimulants

I fucked my wife last night while we were both up on speed, i lasted for 3 hours, it makes your sex drive unbeleivable!

Me: Dude, i gotta study for my english final tomorrow night and im so tired. Can i get some of your speed?
Roomate: Yeah my aderall is on the top shelf.
by speedfreak44441111 October 27, 2011
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hottest man in the world fr fr no cap
Person 1: You're like Speed, the hottest man in the world
Speed: I'm Speed bbg
by SpeedLmao November 16, 2021
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Speed is the magnitude part of a vector, it is a scalar quantity.
The bus going 50 mph due east, was traveling at 50 mph.
by MadPhysicsMan March 21, 2004
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distance / time

The amount of distance you travel over how long it takes, (how fast you travel)
My speed increases when im reaching orgasm.
by Bubba_The_Retard November 4, 2006
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