(prop. n.) The primary language of New Yorkers. It stems from English, but consists of a fuckload more curses and profanity, though New Yorkers perceive them as everyday speech and are never offended. Foreigners to this day still can't understand this.
(exp., v.) The most common word of Profanese. It can:
a) tell someone to not worry about something
b) tell someone to forget about something
c) tell someone to stop talking
d) be a response to how you doin'? e) be a response to you talkin' ta me? f) comfort a distressed person
"Shit, my fucking kaah broke down!"