dumb as Charlie Sheen 

Stupid, dull-witted. The complete absence of rational thought or any potential for rational thought. The lowest possible level on the intelligence scale. A fucktard.

Student: Professor, this formaldehyde soaked frog I'm dissecting is dumber than Charlie Sheen.

Professor: Son, the correct expression is 'Dumb as Charlie Sheen' . It's not possible to be dumber than Charlie Sheen.

dumb as Charlie Sheen by needlenoots September 19, 2009

G.I.N.A.S.F.S. 

Gay Is Not A Synonym For Shitty

>I love the song G.I.N.A.S.F.S.
>>What does that mean?!
>It means Gay Is Not A Synonym For Shitty, duh!
>>OH!

G.I.N.A.S.F.S. by kayyLUH March 25, 2007

rad as a snake 

a hightended level of raddness

That party on the weekend was rad as a snake

rad as a snake by alli_sucks March 2, 2009

dumb as dog shit 

Unintelligent. Stupid.

She is dumb as dog shit.

dumb as dog shit by jonathad April 1, 2010

ugly as homemade sin 

A very southern phrase refering to the act of incest.

"that's as ugly as homemade sin!"

ugly as homemade sin by C. Hardy October 13, 2006

high as the sky

so extremely high it feels like ur walkin on clouds. every time ur heel hits the ground ur actually bouncing off something extremely soft, like clouds seem to be.

just hit the dro and everytime my leg hits the ground it feels like i'm riding clouds, i'm high as the sky.

high as the sky by D.L. August 19, 2006

Knackered as a salmon 

exhausted, very tired
used to describe, ones self, or someone else when they are physically or mentally exhausted

'when i got to the top of Mt. Everast I was knackered as a salmon'

'i had to stay up for 3 days straight, now im knackered as a salmon'

Knackered as a salmon by Mike Longford January 9, 2008