"Agong" is a word in HILIGAYNON

agóng - A trickster, sneak, cheat, thief in a
small way; to trick, cheat, deceive, obtain
under some plausible pretext. Ginagóng
níya ang ákon páyong. He deprived me of
my umbrella by a mean trick. Agongá ang
íya kálò or agongi siá sang íya kálò. Get
hold of his hat by some stratagem. Likawí
ang mga agóng kag makáwat. Avoid
sneaks and thieves. (cf. dáyà, límbong,
tíkas, takáb, káwtì, lág-it).

ágong - A native drum, gong, soundingplate.