To rub, scour, clean, scrape, remove the slippery surface of a thing by rubbing it with dry corn-husks, the larger particles of rice-husks (lábhang), or any similar material. Lupgasí ang síli. Rub the eel to remove its slipperiness. Ang bínhì sang kakáw ginalupgasán, kay kon dílì madánlug kaáyo. Cacao-seeds are (usually) rubbed to take away their smoothness, for otherwise they are very slippery. Ipalúpgas sa íya ang túghud. Let him clean the túghud-fish. (see hínis which is more used for cleaning table-ware and kitchen-utensils).