Top definition
Mattari (Mah-Tah-Ree)is slang Japanese used when telling someone to calm down. To pronounce it properly, stretch out the second 'a'.
No.1-"HOLY FLYING ONIGIRI BALLS, Someone just ripped out my genitals!!! "
Stealing the peach
No.2-(obviously not paying attention)"Mattari, we'll just get you some new ones"
by Sairisu June 26, 2006
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