blah 

Local Boston slang, meaning "stoned".

Can also be modified in any appropriate way.

I was mad blah for my college interview, I don't think they noticed.

I blah-ed before the concert, it made it that much more sick!

Yo, you blah?

No, let's go blah!

blah by the next jazz sax great March 22, 2008

blah 

a word used to describe somthing when you have no idea what to say; Or to descride when your massively bored ;

Like omg im just like well she doesnt cause that make drama ..... "noo are you dumb shes so ..... so ..... so ......uhhh <b>Blah

Heyy how are you "Blahhish"

blah by Suany March 29, 2008

Blah 

The word you say when you have nothing to filter your teacher's nonsensical language with.

Oh, and she was like, "Blah, blah blah blah, blah blah blah blah!"

Blah by Absolute_nonsensical_nugget December 19, 2018

blah 

how to say "hi" to esther yu

"blah"

blah by hongster July 5, 2012

blah 

the most amazing word which can be used for absolutely anything

i feel so blah

blah by ashwini vijayakumar November 10, 2009

blah 

meaning go away in malay

blah la u - go away u!

blah by sonia88 November 21, 2006

BLAH 

a verb which is also an acronym

B- Blatantly
L- LA'ing
A- Aloud
H- Happily

(you say LA like the stereotypical little girls skipping down the street back in the 80's-90's going lalala)

"Why is that girl all happy and LA'ing to herself over there?"
"Eh, guess she's BLAH'ing"

BLAH by AMOR-AYYY :D May 2, 2010