A two word replacement for the adjective "crazily." It is typically used by younger individuals that do not yet know or care that it is improper grammar.

1. the surprise of having a certain skill,
2. fast or very skillfully

When you are extremely happy or at a loss for words.

As spoken by Renee Zellweger's slutty character Gina in Empire Records, crazy like means overly hyper and active.

Implys the opposite. The individual refered to is not crazy at all, rather cunning (like a fox). Used when one appears to be 'crazy', but is acting with a hidden motive, in a cunning way

Shot out
Acting up for no reason
Being silly

Crazy like Hayley Jane (popular singer/songwriter), specifically in a very creative sense and/or fickle with relationships.