Ding Dong Head
It is when someone is an idiot. You can ring their head like ringing a door bell and they are so stupid nothing will answer.
E.g. Yer man don't listen to Steve he is a ding dong head.
ding dong head
Somebody that is stupid or has a silly side
*Maycee danced a silly jig* *I laugh and say* "You Ding dong head"