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19.
The equivilant of chub, or a small amount of fat.
Yeah that Kristy girl isn't that hot, she has too much blub.
by Ian Murph January 16, 2007
 
1.
The sound a fish makes.
I stared deep into Goldy's pitch-black eyes and from the moment he said "blub" I knew we were ment to be.
by Clobothehobo November 11, 2006
 
2.
Blub is a nickname to call a loved one such as a girlfriend/boyfriend. It can also be used to address a person/animal that is related to you, cute, chubby, or lethargic.

There are only two true blubs in the world though.
Hey blub, I love you.
You are such a blub
Look at that little blub
by Blubathan March 07, 2010
 
3.
A blub is the German pet name for a water bong, due to the noise it makes as the chronic passes through the water. Also known as a Blubber or a Blubbi.
The bong went blub, blub, blub then he looked up at her through bloodshot eyes and said ooooooh yeah!
by Blub2k January 11, 2005
 
4.
The blackest and one of the most versatile words in the human vocabulary, Blub is a term used to define anything which is untasteful. It can be used to describe a state of being or a single thought or emotion. However, it is not a word that can be accurately put to use as an insult, for example, Calling someone "A blub" or anything else defining blub as a singular object is completely innacurate, as blub truly is in and of itself.
It is a word that should only be used in the most vile and dire of circumstances.
Person 1: "How's it going today?"
Person 2: "Blub."
-or-
Person 1: "I'm so sorry. Your mother has passed away."
Person 2: "...Blub."
by Feengorrz August 31, 2008
 
5.
A modern definition of Blub is 'Cool'.
That's such a blubby thingy.
by Arvind April 21, 2006
 
6.
An establishment that amalgamates the prevailing negative aspects of a bar and club.
Person 1: 'Hmm the pub is closing. Where else is open?'
Person 2: 'We could hit the blub'
Person 1: 'That's a terrible idea. I'm sleepy. I'm going'
Person 2: ''kay'
Person 3: 'I'm just here to get drunk no matter where'
by TomwithanH October 22, 2012
 
7.
Well Blub is word when you use in situations that are funny. It can also be used as an informal greeting among young people.
Eg.1. Oh my days that was just.. Blub.
Eg.2. Alright Blub,
Blub Blub
by Nikk'Starrrhhh February 17, 2009