Your word here
UD merch!
Buy Now
John: Why is your groin area protruding like that?
Bill: Oh, I just got a stiffy.
by SwagMasta42069 April 11, 2018
Get the Stiffy mug.
A stiffy is an extended clip on a gun.
by Urban gang November 29, 2017
Get the Stiffy mug.
Often Used In The Bronx , Stiffy means A Gun Or a Gun that cannot be traced
Blicky got the Stiffy

Aye man you selling a Stiffy

Everyone on this block got a stiffy
by KingPinNumba3 October 28, 2017
Get the Stiffy mug.
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
Get the Stiffy mug.
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
Get the Stiffy mug.
When a male's dick is hard and sticks up.
"Man my dick is hard, I think i have a stiffy"
by Anonymous PLIES LOVER June 12, 2009
Get the Stiffy mug.