blah 

a word used when you're extremely bored or don't know what else to say

"blahh i'm bored"

or.

"so that should be fun"
*ackward silence*
"blahhh"

blah by pshaa. December 20, 2008

Blah 

The sound that often accompanies the male ejaculatory response in the heat of passion.

Alternate defintion: The ejaculation and its material itself.

"Gonchar scores!!! BLAAAHHHHH!!!!"

"Did you just blah?"

"Oh sorry, was that too soon?"

Blah by overnightnhl May 3, 2010

Blah 

A word used (esp by lawyers) meaning "block of text" or "something not worth articulating". Note that some users of the word in this sense are probably not very "urban"

...at paragraph 5 it says 'the Minister can be contacted by wrting to BLAH please allow 29 working days for a reply'

Blah by inchiki December 2, 2010

Blah 

A word used to vent frustration, it also helps to get out anger and can be used to explain one's feeling.

Heather: What's Up?

Lucy: Blahhhhh everything!

Blah by LittleRave February 14, 2009

blah 

1. Used to explain a feeling of being sick.
ex. "Oh my god Julia..uhh I just feel like blah."

2. Said in a conversation when no one else is talking.
ex. Sunglasses446 (10:46:07): Sean is annoying.
emofuck x (10:46:13): Yeah he is.
Sunglasses446 (10:52:46): blah.
(notice timestamps)

3. When used repeatedly is mean't as someone talking to much or replaced for a part of a story/gossip that is not important.
ex. Well you know that Sally is going out with John blahblahblah but did you know she had sex with Steven last week?

Examples above.
-Example must have at least 20 letters and 3 words.
-Example doesn't use the word blah. Use the word in a sentence.
Now it does.

blah by REAL Definitions x April 30, 2006

blah 

A girl that is so horrible that no words can describe her.

You are the most vapid, whiny, BLAH i've ever met!

blah by Jojoba Loofah Milktowel June 27, 2008

blah 

a description of something so bland, drab and/or gray its neutrality has actually become undesirable.

This potato salad is so blah. I need some excitement in the food i eat.

blah by genius moron November 20, 2009