mabuti Share definition Flag Filipino origins- Tagalog word for "good". Pinay 1: Kamusta? (Greeting, like "Hi how are you?") Pinay 2: Mabuti! (Good - as in I'm doing well) mabuti by Pinay Nanay January 6, 2005 0 0 Get merch Get the mabuti mug. Buy Now — $32.95 See more merch