Supz means like Whats Up, or what do you need, people can say it in different places and times. See example.
V95: Supz
You: Not much
..............
V95: Supz
You: Supz L33t H4x0Rz!
..............
V95: Supz
You: Cheppa tai, my damie, cheppa tai
You: Not much
..............
V95: Supz
You: Supz L33t H4x0Rz!
..............
V95: Supz
You: Cheppa tai, my damie, cheppa tai
by Aust1n 248 March 5, 2003
by urbandictionaryrox!!! May 17, 2011