WASSUP in English dictionary wassup Meanings and definitions of "WASSUP" (slang) what's up? ( as a greeting ) interjection (slang) what's up? ( as a greeting) more Grammar and declension of WASSUP wassup? wassup? more WASSUP Sample sentences with "WASSUP" Declension Stem Try again Available translations Czech Mohawk Polish Spanish Swahili Toki Pona Authors