A short slang word for the phrase “what’s happening”. It can be used as a greeting when talking to somebody or just simply saying “what’s happening” to the person you are talking to.
1: Yo, what you doin?
2: Ya know, watching the game, drinking a Bud...
1: True, true
2: Whazaaaaaap!
1: Whazaaaaaap!
2: Whazaaaaaap!
<TRRRIIIINNNGGG>
2: Yo pick up the phone!
1: Hello...?
3: Whazaaaaaap!
1: Whazaaaaaap!
2: Whazaaaaaap!