What word is slang for excellent?

There are many slang words for "excellent," and the best one depends on context and the speaker's style. Here are a few examples:

Formal:

* Superb

* Outstanding

* Exceptional

Informal:

* Awesome

* Rad

* Sick

* Dope

* Epic

* Lit

* Fire

* Amazing

* Brilliant

* Fantastic

More specific to particular groups:

* KILLER (common in skateboarding and music subcultures)

* Tight (used in certain subcultures, especially related to music)

* Bodacious (a bit dated but still used sometimes)

* Ace (British slang)

The best slang word to use will depend on who you're talking to and the situation.