Rubble Tubble

Tummy Rub - as one would do for a dog or cat.

If you're a good dog I'll give you a big rubble tubble

big rubble tubble bitch

“big rubble tubble” is the adjective part of the definition, but “big rubble tubble bitch” is the whole definition. Can be used as an adjective or noun. Describes a “bitch” who is so big (s)he looks like they’re about to “tubble” (tumble) over, and/or looks like a pile of rubble. Can be derogatory but is usually in a joking manner.

Person A: Have you seen that dude Emanuel? He’s kind of big.
Person B: Yeah, he’s a big rubble tubble bitch. He broke my headphones just by breathing on them.