Definitions by A Person who uses a Pseudonym

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