sup 

Sup is something cool people say. It can be used as a greeting. People say "sup" when they don't feel like saying whats up because it's to long. Also, people say "sup" because they get in the habit of saying "sup" so they just always say it. It can be used by girl or boy.

"Sup girl"
"Nothing much"
"Cool"
"Sup with you"
"Nothing"

sup by Cleo Defobio November 12, 2015

sup 

A term that cool people use because they are too damn lazy to say What's up. (Too much effort involved there man.)

"sup yo!"

sup by RockStarSurferChick March 21, 2003

sup 

Short for 'What's Up?'. 'What's Up?' is short for 'What is Up?', and 'What is Up?' is short for 'How are boring daily events in your life going?'.

Guy 1: 'Sup, man?
Guy 2: Pretty cool, man, you?

sup by A Person who uses a Pseudonym October 6, 2012

sup 

A contraction of the phrase "what's up?"

Jack: Hey, sup?
Jill: Not much

sup by Falkan March 4, 2003

sup 

A greeting, an abbreviation of "What's Up"

Yo my brother, sup! Nothing you?

sup by Canada's Cleo May 17, 2005

sup 

How everyone starts an IM convo after saying hey. It is then always followed by "nm"

sn1:hey

sn2:hey

sn1: sup?

sn2: nm u?

sn1: nm

sup by Jimmy Joe December 24, 2003

sup 

An easier way to say "what's up?"
Before, it was considered "wassup"
Now, it's just simply, "sup"
Some people consider the term just a way to say "hello"
However, most people think of it was a question.
If somebody asks "sup", you must reply "nm, you?"
You would reply "same"

Person 1: Sup.
Person 2: My mother was beaten up by gang members and was sent to the hospital. You?
Person 1: Same.

sup by fuckyoufuckyoufuckyoufuckyou January 1, 2011