Gnarly Sheen 

A phrase originally coined in Lake Tahoe on the West Shore (Best Shore) by Marie Ralston. A play on words, a twist on "Charlie Sheen" meaning crazy, insane, unbelievable etc.

It's a Gnarly Sheen blizzard outside.

I took a crazy fall on the mountain today. It was Gnarly Sheen

Gnarly Sheen by Abraham Bacon Von Mazeltov October 23, 2011

coppin' a gnarly swell 

Going to workout so hard that you find it necessary to tell everyone that is near you. Commonly spoken with a high degree of excitement and "toolness"

Vinny: "So what are you doing today?"
Six foot tall swell monster: "Im coppin' a gnarly swell bro"

coppin' a gnarly swell by Sir Vincenzio January 3, 2009

Extreme Steve/Gnarly Steve 

When a guy beats off onto a table and snorts a line of his own ejaculate.

I was so lonely and desperate for drugs, I wanted to see if an Extreme/Gnarly Steve would fuck me up.

Extreme Steve/Gnarly Steve by nick March 14, 2004

Extreme Steve/Gnarly Steve 

When one jizzes on a table or flat surface and snorts it up his nostrils like cocaine.

My parents were coming home soon and i didnt want to get caught so i pulled a gnarly steve.
This kid was so drunk we made him gnarly steve my cum.
Some girls are so slutty and kinky they will ove to gnarly steve.

Extreme Steve/Gnarly Steve by pete March 18, 2004

Gnarly sauce 

The opposite of weak sauce.

"Dude, you spooged in here mouth? That's gnarly sauce."

Gnarly sauce by Jess Lynn May 13, 2005

Gnarly Sheen 

When someone snorts a line of cum sprinkled with blow

We had a great night consisting of a dinner and a movie, capped off with a gnarly sheen.

Gnarly Sheen by Coachjs May 22, 2018

gnarly sick 

something incredible awesome and impressive.

That was gnarly sick bro!

gnarly sick by PaulJar the Pornostar November 17, 2003