that's wassup

slang An expression of approval, excitement, or enthusiasm (about someone or something). The expression is a part of African-American vernacular. Primarily heard in US. A: "How'd the interview go?" B: "Nailed it. They said I can start next week!" A: "Yes, that's wassup!" Did you hear the speech he gave last night? That's wassup! That's the kind of leadership this team needs!