A phrase often screamed by natives before attacking unsuspecting explorers. A freakish battle cry before launching oneself out of a tree onto an enemy. Some crazy ass angry ,babbling, shout of men in loincloths.
"That crazy assnative shrieked Hatta Matta Moochie when he tried to stab my ass!" cried Kermit the Fourth of Anusville.
The act of breaking up with a girl by fist-bumping her; usually ends up with a very awkward moment where the now single girl is trying to figure out what just happened
Kid- I want to break up with her but it will be awkward Kid2- Do The Mattachini and run away
Kid- Good idea