a boil on the skin, carbuncle

pigsa sa singit
a boil in the groin area

pigsa sa kilikili
a furuncle in the armpit

dambuhalang pigsa
gigantic boil

Boils are bacterial infections of hair follicles and surrounding skin that form small blister-like swellings containing pus around the follicle.

The Tagalog word for ‘to boil’ is kulo.

Pakuluin mo muna ang tubig.
Boil the water first.