Crack a stiffy

The process where ones penis changes state from being flaccid to being erect.

Commonly used in Australia

Also know as crack a fat
Scene: At the local swimming carnival, Peter has just one the 100m freestyle event. Elated, he leaps from the pool in his DTs (dick togs) but clearly he has an erection.

Mary:- OMG whats going on with the front of Peters togs?
Sarah:- Der Mary, ever heard the term crack a stiffy!
by REDDORDOP April 20, 2017
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A Stiffy you get from wandering the suburbs and checkin out the fresh talent
ooooh, that bitch is so fine she's given me an urban stiffy!
by Robert J. Melrose May 22, 2003
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male/female who loves and is considered to be a connoisseur in the fragrance of an erect penis
A: "whats up with chris he's always nosing around someone's bell end"
B: "yea, he's a stiffy sniffer"
by donkey hung February 17, 2010
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Usually refering to someone who had such a boner it was like its an iron rod used by a black smith

Or a twat named Smith who got a boner in public
Person one, Oi oi look smithy got a boner
Smithy,bigger than urs
Person one, we were talking about you nan and u got stiffy smithy
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When you are half turned on but also half not.
Jeremy: Dude, in class last period I got an Iffy Stiffy because of the sub.

James: Yeah me too...
by balboni October 1, 2014
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