A stiffy is an extended clip on a gun.
by Urban gang November 29, 2017
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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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A slang word for erection or hard-on. As an erection is the 'stiffing' of the penis, a 'stiffy' is an understandable slang word. Normally used by children first discovering sexual things.
Ethan and I were discussing sex and he got a stiffy from thinking about it.
by Athena12 March 26, 2009
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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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The most awesome nickname ever. This person is probably the coolest person walking on earth.
And most most certain; drop dead gorgeous, since he/she is compared with a boner.
-Oh, have you met stiffy?
-Yes she gave me a stiffy
by My nickname is Stiffy September 3, 2012
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