Bumhandle

1. Used In Many Ways
2. An Insult
3. A Humourous Way Of Calling Somebody A Dipstick

1. You Bumhandle!
2. Oh, You Bumhandle

Dumber Than A Bag Of Hair

When somebody you know is dumber than a bag of hair.
A person consistently failing to understand anything you're saying.
When somebody is saying unintelligible nonsense.

1. He's Dumber Than A Bag Of Hair.
2. They're Dumber Than A Bag Of Hair.