The star player who can keep the Killer busy for minutes by running around obstacles (loops) perfectly.

A Killer who ignores everyone else to chase and eliminate one specific Survivor as fast as possible.

These nicknames serve as a "vibe check." In a game where the UI is minimal and there is no built-in voice chat between strangers, knowing that a (Ghost Face) is "Teebagging" (crouching repeatedly) tells you more about the match's atmosphere than any tutorial ever could.