Ferocious is the new fierce of course. The gay community monopolized the usage of the word fierce to describe all things exceptionally fashionable, "cunty", attractive,
cutting edge, fantastic, eye-opening and attention worthy. Ferocious is the new and updated version of fierce. Its harder and edgier. Wonderful.
Beyond expectation
Ex.1: Did you just see the way she walked into the party with her
stiletto heels and kicked her scumbag cheating BF to the curb in front of everyone? she's ferocious.
Ex. 2: What do you mean you scored us
comped front row seats to the Madonna concert? You're ferocious.