Following the urban legend that lifting weights while maintaining a full erection leads to an increase in penis length and faster muscle growth elsewhere, 'stiff lifts' describes the activity of lifting free weights while deliberately maintaining an erection, often through use of pornography.
Jeff: "mate my muscles just aren't growing"
Chris: "Have you tried stiff lifts? I know one muscle I'm improving..."
Chris: "Have you tried stiff lifts? I know one muscle I'm improving..."
by GrumpyBint June 10, 2013

When a man's penis is erect during an important social function, causing great awkwardness and discomfort.
The man will then justify is awkward behavior in some far fetched way.
The man will then justify is awkward behavior in some far fetched way.
Person 1: Is anything ze matter, Sir Hilary?
Person 2: Just a slight stiffness coming on, due to the altitude, no doubt.
Person 2: Just a slight stiffness coming on, due to the altitude, no doubt.
by Harder, daddy February 20, 2018

He is soooo stiff
by Ur mums grans dad April 1, 2020

by Caleb Morales March 14, 2019

by 'Tomer July 26, 2005

A word used in a machine shop to describe an unknown material that is super hard.
The opposite of shitanium
The opposite of shitanium
by ThunderJack92 August 12, 2025

Nickname for person named Stian, but this "Stian" has to be exceptionally stupid. Can also be called Stig
Hey Stiff, you fucking dumbass!
by alinarnold October 25, 2017
