blekko 

A search engine, like many others, that is inferior to Google.

(friend): Whoah, Blekko is lame.
(me): I know, use Google. Dumbass.

blekko by dbreton November 16, 2010

blehk 

Large tuna species found in the shallow waters of the Long Island Sound

When I wouldn't stop crying, my father bribed me with a blehk sandwich he knew I would play with for hours.

blehk by Brett Cohen May 14, 2005

Blehck 

Blehck is a way of saying you feel sick or uneasy. Or it can be a way of saying that an object or an article of clothing or a person is just so unpleasing that you can't think of a good enough word to name it.

Example 1. Daniel "sorry man, I can't see the movie tomorrow" Reid "why not?" Daniel "because I'm feeling just sorta Blehck right now.

Example 2. Daniel "did you see Jesse's face the other day?" Reid "Oh yeah dude! it was all....BLEHCK!"

Blehck by Dannyisjesus June 11, 2006

Blekk

Term used in state of boredom,distaste, shock, or surprise.

"BLEKK, this party is so boring."

Blekk by cupcake & baglz August 23, 2008

Blehk 

Puking sound effect
Used to diss something as mediocre

A : How do ya find my new invention?
B : That is so blehk!

OR

A : She's hot.
B : Blehk!

OR
as a verb

B : Blehk that!

Blehk by Ekkehe May 30, 2009

blekkan 

A guy with cute hair.
He doesn't want people to touch his hair eighter.
Sometimes that n00b gets red eyes.

Hey! Can I touch you're hair?

No, I'm blekkan!

blekkan by Eske April 10, 2008

Blekk0 

Thug Nigga

"Blekk0... sup nigga?"

Blekk0 by Anonymous May 21, 2003