When you meet someone and you want to greet them properly
Random guy: “do do dooooo” You: Sup bro
A sour sup is when someone says hello/how are you but in reality they don’t want to/don’t like you.
Did you see Michael give me that sour sup yesterday at dinner?
Street Slang Meanin' What's Up?, Whazz Up?, Whazzup?, Wassup?, Sup?, Sup Witchu?, What's Good?, What's Gucci?, What's Goin' On?, What's Happenin'?, What's Hanninan?, How Are You Doin'?, How Yew Doin'?, How Are You?, How Yew?, How Are You Feelin'?, How Yew Feelin'?, What's Trendin'?, What's New With You?, What's New With Yew?, What's New Witchu? & What's New Witcha?
"Yo Killa Cam!! Sup Witcha? Zero. Erstreet At Ever Soo Much At Ever Str8 Thuggin', Ever Str8 Stuntin' & Ever Livin' Life Fully." - Erstreet Harlem aka Harlem, Flea, Kiery Weiry & Freshley.