Grat 

Pronounced "Grash"
Based off of Shakespeare's character Gratiano from Merchant of Venice

noun - one who chatters idly at length without making sense, someone who says something pointless or asks a stupid question

adjective - something pointless, monotonous, doesnt make sense

noun - He is a grat because everything that comes out of his mouth is crap and I can never understand him.

adjective - This class is grat because all we do is listen to stupid lecture and take notes

Grat by The Anti Grat November 1, 2006

Grat 

Basically just another word for great. But the word grat is grat -er.

Girl: You look great!
Other Girl: Well you look grat!

Grat by nathan wong January 7, 2015

grat 

New slang for great!!!

Did you hear the new backstreet boys song?
Dude, it's grat!

grat by hthang April 24, 2008

Grat 

When something is lame, stupid or sucks its grat.

"You hear that new song on the radio?"

Yea, that shit was grat!

Grat by Drep859 January 11, 2011

grat 

Slang for gratuitous, or free - having similarity to meaning as in a giveaway. An exclusive special in preview or experience - similar in context to perk.

The download comes grat with a preorder of the album.

grat by charvelguy June 19, 2010

grat 

tobbaco, cigarettes used so teachers cannot find out if a pupil smokes

"You got any grat!?"

grat by skinz May 28, 2005

Grat 

GRAT, interjection:

used to express anger, rejection and disgust, often followed by a pronoun, such as “you” or “it”.

GRAT, as an adjective, adverb:

damned; confounded; bloody.

1: Grat it!

2: That gratting idiot.

Grat by Therawyn December 11, 2009