(n)
1 an erection of the penis, Syn. boner, hard-on.
2 A strong drink, a double, esp. a double-bourbon-and-coke.
3 (South Africa) A plastic-cased 3.5-inch floppy disk, as opposed to the more flexable 5.25-inch floppy disk.
1 Oh man, I got a stiffy.
2 Gimme a stiffy and two pints.
3 Have you got a stiffy? I need one to save this file.
by Spootonium October 10, 2004
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the state a guy gets when sexually aroused; penis fills with blood and stands straight up and often makes a bulge through pants; boxers, etc. especially embarrasing for teenage boys who are turned on frequently and can't seem to control their boners
She was so hot that I popped a stiffie right there in class.
by Drexelsage January 3, 2004
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A slang term for boner or erection
While I was slow-dancing with Tom, he got a bulging stiffy. It was nasty.
by xxdecayingashes December 26, 2005
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I plugged her crotch-wound with my stiffy.
by urban pervert April 25, 2003
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An erect, pulsating penis or clitoris, due to sexual arousal.
Billy and Janet had stiffies after Billy donkey punched Janet's mom.
by g0t4 April 28, 2011
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An erect penis,usally gotten through sexual arousal.
We all know Paris Hilton sucked her boyfriend Rick Solomon's stiffy,weird lighting there too.
by Dude_75 March 14, 2006
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When you get a sudden rush of blood to your old man when you see a picture of a woman ass, tits, and fanny
by Jeffery Sylivester January 31, 2003
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