Similar to "cry about it" "get fucked" and "stay mad". Used when you want to tell somebody off but don't want to curse to much.
"Marcus was blabbering on and on about the difference between four wheel drive and all wheel drive and complaining about the people who use them interchangeably. I told him to get stiff and walked away."
"Get stiff."
"Get stiff."
by Scotishbroheim March 14, 2023
A sign telling you to go to that strip club downtown. The part "get stiff" means when your cock goes rock hard.
by \0_0/ February 25, 2017