Adj. 1) A superlative form of all that
; something or someone which possesses all desired qualities PLUS unimagined or unforseen bonuses.
"Your supermodel boyfriend isn't jealous that you're also dating his twin brother?"
"No, girl; he's all that'n' a bag of chips!"
1)(N.)An event or situation which is deeply disappointing; 2)A sudden influx of misfortune. From the American slang for excrement combined with the Germanic word "fest" (festival),American slang for bout or session.
The office manager hired clowns for the annual party and turned it into a real crapfest.