flubbadubbadoo 

a fat person

"he's such a flubbadubbadoo"

flubbadubbadoo by flubbaman January 24, 2018

Flubbadubbadoodlebop 

This is not a real word, so don't use it in everyday life, or people will think you are on drugs.

Person 1: Look at that Flubbadubbadoodlebop!
Person 2: What the actual fuck.

Flubbadubbadoodlebop by williamazing12 January 29, 2017