look up any word, like blumpkin:
 
2.
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 02, 2004
 
1.
Noun.

1 an erection of the penis. see; boner, hard-on.
2 A strong drink, a double, esp. a double-bourbon-and-coke.
3 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 Anoyone got a stiffy? I need one to save this file.
by Coxy November 29, 2004
 
3.
when a guy looks at hot ass girl and gets MF hard...( while picturing her naked with those HUGE tits bouncing up and down)
I'm getting a big stiffie
by Johnny no name April 19, 2003
 
4.
a very strong alcoholic drink
Make a me a stiffie!
WOW, this stiffie is strong!
by I AM CASEY October 03, 2007
 
5.
noun.
1.an erect penis
2.Jordyn
Austin says:
that stiffie is such a lesbian
Eli says:
...
Eli says:
wtf tommy XDDD
by Fruit Carver August 28, 2006