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Tongan. Someone with the face of an asshole.
Fuck that matausi cunt! Ugly bitch!
by LMFAO! March 24, 2009
tongan word for shit face.
shut the fuck up you mata usi.
by J.Kickz February 17, 2004
a tongan word meaning fukk you.
Benny: you bitch
Bernie: matausi
by bernadette November 17, 2004