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 7, 2010
Get the Blub mug.
The American fish goes blub blub, the French fish goes bloob blub, the Black fish goes Blub Blub Mother F*cker.
Get the Blub mug.
The slang term for blubber, used because it sounds better, and is more pleasing to say
"Awwww....that walrus has cute blub..."
by Andrew Baines February 1, 2006
Get the Blub mug.
Blub is all blub is life
person A: 'blub'
person B: 'blub'
by the blub October 16, 2020
Get the Blub mug.
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 12, 2006
Get the Blub mug.
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
Get the Blub mug.