Haloti Ngata — Tongan War Dancer [Video]

Baltimore Ravens star Haloti Ngata frightened the hell out of a room full of people last night when he busted out an authentic Tongan fighter dance on stage … and TMZ Sports has the footage.

It’s called the Kailao … a habitual dance from Tonga (where his parents are from) … and the 340-pounder showed off his moves at the 3rd Annual Haloti Ngata Family Foundation…