big dum dum

A buffoon, pancake head, dum dum, no head, no idea, no brain, just made out of goop, no thoughts, no worries, no care, everyone knows a big dum dum in their lives.

Person 1: "You're such a big dum dum."
Person 2: "HEY THAT'S NOT NICE."
Person 3: "But they are right.. you are a big dum dum."
*Person 2 breaks out sobbing*