obsquitious - A person who's so rude they'd probably throw a sandwich at a

A person who's so rude they'd probably throw a sandwich at a baby just to prove a point.

My boss is obsquitious. He yells at me for making one small mistake.

My sister is obsquitious. She interrupts my conversation with my friend every time she walks in the room.

My dad is obsquitious. He criticizes my math homework like it's a crime.