Definitions by Naughtybat

Boo 

A cute way to express displeasure, or sympathetic feelings.

A shortened version of boo urns.

Person 1: "I don't want to go to work today"
Person 2: "Boo, work!"

Person 1: "My sister's kitten is sick"
Person 2: "Boo, sick kitty!"

Boo by Naughtybat September 11, 2008