mad
adjective
°Insane; crazy, mentally deranged.
"You want to spend $1000 on a pair of shoes? Are you mad?"
°(chiefly US; UK dated + regional) Angry, annoyed.
"Are you mad at me?"
verb
°(slang chiefly New York) Intensifier; to a large degree; extremely; exceedingly; very; unbelievably.
°(now _ colloquial _ US) To madden, to anger, to frustrate.
synonyms: hella, helluv#etymology 2|helluv, hella, helluv more» , wicked#adverb|wicked