by uvuboy446 August 20, 2021

An erection. A dick getting hard due to sexual excitement. Hot girls tend to make a guy’s dick all stiffy.
Me: (Watching a Marilyn Monroe documentary film)
My mother: Are you getting all stiffy?
Me: LOL, shut up.
My mother: Are you getting all stiffy?
Me: LOL, shut up.
by AntiCircumcisionMan May 3, 2021

by The Gapists May 7, 2014

by Jymothi November 6, 2021

by Crazy dum December 14, 2021

Jake didn't like how the pencil stiffy would leave great black marks on the page when he tried to erase stuff.
by aussieboi42 March 21, 2025

Damn bro, that was crazy last night. I can't belive we got a double stiffy watching Jennifer Aniston bend over on the set of the TV show friend's.
by NaturallyCali August 19, 2016
