From Pluralpedia, the collaborative plurality dictionary
headmoot (n., adj.)
Applies toheadmates, system functions
CoinerThe Welcome To Night Vale Server

Headmoot is a period when two or more headmates in a system have come to a moot point in an argument, nominating one other headmate not involved in the argument to front. When used as a noun, it is used to describe the headmate who fronts during said period.