its a funny word which is used by german people if they dont know what to say
blubb=> bitte lass uns bumsen baby :D
by sandriiiii December 18, 2008
Slang for an old man's balls.
Damn! Thats old man's blubb is NASTY!
by David Nielsenn February 10, 2008
The portion of the body that hangs out under the shirt that is too skinny and above the shorty shorts that are too tight.
Man, that girls blubb is hanging way over her pants.
by Zetalightning94 August 19, 2014