A fork of Rural Dictionary
Person says: "Yo, I just got this/these hot new (shoes, job, CD, car, etc.) You say: "That's what's up!"
a phrase used to greet other people. orig. by @kermit_nofrog
"Boy what up!!! I ain't seen you in a hot minute!!! We going hard at Club Vegas VIP tonight!!!"
phrase indicating you would like to begin to fight a person
person 1: yeah whatever; you talk mad shit person 2: SO WHAT UP THEN !? person 1: SO WHAT UPPPPP !