Something so incredible it cannot be described properly, such as an enormous bipedal cow who beats someone's face in with an enormous shield. Known to punt Kunkydude's on a regular basis
GUY 1: Holy shit! That cow just murdered someone!
Guy 2: Yeah! What a fucking Bronk!
friend: have you ever had a Bronk?
me: no! what is it?
friend: its when you take a shit and masturebate ate the same time!
me: cool i'll try it one time!
friend: nice brp