To scratch, excoriate, strip the skin from, scrape off, abrade, rub open, tear off a piece. Nakasúnggò akó sa isá ka bató kag nagdalusó ang pánit sang ákon bútkon. I stumbled against a stone and some of the skin of my arm was scraped off.
To become worse through heat, applied to wounds, ulcers, etc. Nagdalusó ang íya nga pilás. His wound became worse on account of the heat.