Whiffa

A word that is shorthand for "mass attacks" or "heavy critical damage", only really used on the internet

Mass attacks - I can pull a whiffa on several enemies, man.
Heavy critical damage - Now THAT's a whiffa!

Whiffa

A slang term or synonym for massacre, killing spree, or intense kill, often used for gaming.

"I'll pull a whiffa on the enemy team, watch."