MAD

Insane; crazy, mentally deranged.

Example: "He's got this mad idea that he's irresistible to women."

(chiefly us; informal in uk) angry, annoyed.

Example: "Are you mad at me?"

Bizarre; incredible.

Example: "It's mad that i got that job back a day after being fired."

Wildly confused or excited.

Example: "To be mad with terror, lust, or hatred"

Extremely foolish or unwise; irrational; imprudent.

(usually with for or about) extremely enthusiastic about; crazy about; infatuated with; overcome with desire for.

Example: "Aren't you just mad for that red dress?"

(of animals) abnormally ferocious or furious; or, rabid, affected with rabies.

Example: "A mad dog"

(chiefly northeastern us) intensifier, signifies an abundance or high quality of a thing; very, much or many.

Example: "I gotta give you mad props for scoring us those tickets.   their lead guitarist has mad skills.   there are always mad girls at those parties."

(of a compass needle) having impaired polarity.