An exaggerated expression meant to make other's laugh. hehe

or

to make fun of someone! ex. your friends or mom
"you are such a flubberbutt!"
by muffinapple May 18, 2009
Get the flubberbutt mug.
When u take a shit, pick it up, and rub it all over an obese man.
Really just gave this man a flubberbutter speead
by Dadboddan November 8, 2020
Get the Flubberbutter mug.