A professional waxing session, chest, back, legs, or the full-body deluxe, at a real salon, with before-and-after photos posted to the group chat. The sounds from the room are traditionally recorded. Grows back, unlike the memory.
Heavy sentence
Severity 4 punishments are the ones people talk about for years, which is exactly why they need full league buy-in before week one. Put it in the constitution, set the deadline, and agree on proof requirements up front.