火がつく;火が付く;火が点く [ひがつく] /(exp,v5k) (1) to catch fire/to be ignited/to ignite/to light (e.g. of a match)/(exp,v5k) (2) (id) to flare up (of an emotion, controversy, etc.)/to blaze/to be ignited (of a dispute, commotion, etc.)/to take off (of a boom, craze, etc.)/EntL1626690/