combination of the words “What’s” and “Up” and short for “What’s up” a common greeting term used around the world. Also not specifically used by any 1 group of people , culture, race, or sex.
by Flako Mario December 8, 2020
Get the Supmug. A sup muh is generally an African American male. When they say what's up man, it often comes out as sup muh.
by Truth5150 April 16, 2017
Get the Sup muhmug. by suh dude mah boi come on sup w November 19, 2017
Get the supmug. 
Originated in Azilda, "sup" can either mean "what's up" like the rest of the world uses it, but, it is also an emotional expression in itself. This expression can be used when you are surprised.
Friend: *sinks a halfcourt shot first try*
Me: "sup"
Friend: *misses a basketball shot when he's 2 feet away from the net*
Me: "sup"
Me: "sup"
Friend: *misses a basketball shot when he's 2 feet away from the net*
Me: "sup"
by onlyinazilda April 27, 2018
Get the supmug. 