Top definition
A person who laughs at the wrong moment,or at the wrong thing. Named after the guy on the Simpsons who laughs at cancer and heart attacks.
"So when I told him my Mom died, he went all Doctor Hibbard on my ass."
by Jeffrey March 25, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug