Cuzii waa Share definition Flag Cuzii waa is a two words combined together from the phrase ''wassappenin cuz' or 'wah u sayn cuzzy?' these 2 words are a shorter alternative. 1st person: Cuzii waaa .... 2nd person yes big man chillln... Cuzii waa by Batman 21 January 31, 2010 0 0 Get merch Get the Cuzii waa mug. Buy Now — $32.95 See more merch