Stiff Lifts

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..."

by GrumpyBint June 10, 2013

Stiffness

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.

Person 1: Is anything ze matter, Sir Hilary?
Person 2: Just a slight stiffness coming on, due to the altitude, no doubt.

by Harder, daddy February 20, 2018

Stiff

U don’t feel comfortable kissing or doing any thing whist in a relation ship

He is soooo stiff

by Ur mums grans dad April 1, 2020

Stiff

Meaning of looking good, drip going too hard

Friends:*buys new clothes *
Me: bro your outfit is stiff asf

by Caleb Morales March 14, 2019

Stiff

A girl who is good at playing running back in football because she stiff-arms people.

"Don't try to tackle her, shes a stiff."

by 'Tomer July 26, 2005

stiff dickium

A word used in a machine shop to describe an unknown material that is super hard.

The opposite of shitanium

Man what material is that made of?

I don’t know it’s hard as fuck, must be made of stiff dickium

by ThunderJack92 August 12, 2025

Stiff

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