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An internal combustion engine that has been modified to increase displacement by replacing the stock crankshaft with a crankshaft that has more throw. This increased throw necessitates modified pistons and usually new rods. The increase in displacement resulting from stroking an engine will almost always result in an engine that produces more torque (and HP) than the stock engine.
That car flys, it's got a stroker.

That heavy-ass Impala SS smoked those LS1's - what's he got in there? Oh yea, that car has a 383 stroker with nitrous.
by Chrissssonic May 31, 2005
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Jun 3 Word of the Day
When the “crush” has no intentions of taking things further, but they like the attention. So they flirt here or there, send dm/texts just to keep the person interested, knowing damn well they’re staying single.
Danielle was so flirty the other night, he messaged me 3 times just to say hello, I think he’s coming around.

No Susan he’s breadcrumbing you just so you’ll keep nibbling at his heels.
by Briness March 15, 2018
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3
Someone who strokes; someone greifing in minecraft by using lava, fire and tnt while being invisible. Used in Master of Luck's video when trolling a squeeker. Confused by meaning Herobrine, the squeeker called himthe stroker
"Last week when playing minecraft I was griefed by the stroker.
by lord shredder August 26, 2014
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4
One who enters a car dealership without the slightest intention to buy a car, hence wasting a salesperson's time and money.
Bob the used car salesman: Did you end up closing the deal?

Mike the used car salesman: Naaw, he was a stroker.
by Shahin January 31, 2005
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5
A girlfriend that will not allow you to fuck her and is only willing to give you hand jobs.
Phil: Poor Tom, his gf doesn't let him bone
Bob: Yea she's a stroker
by Jisser August 30, 2009
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6
A person who intentionally misleads, fools, or otherwise gains the upper hand over another person in order to get something of value from said person (specific actions or physical objects) through the use of a pleasant deception (i.e. stroking one's ego)
I gave you a great deal on that car. In fact, too good of a deal. How did you get me to do that? You are a stroker.
by smittydb September 28, 2005
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