Definitions by BillOReillyGreatAmericanHero

Flashin the ash 

Overreacting to criticism and extending your middle finger towards the crowd at a private school event of any kind

Publicly flipping off a large group of sheltered teenagers

Don't go flashin the ash in front of the Head of School

Flashin the ash by BillOReillyGreatAmericanHero November 10, 2011