Every Sunday of the following NFL season, the loser watches games wearing the jersey of a team or player they genuinely despise, selected by leaguemates who know their loyalties intimately. Seventeen-plus weeks of low-grade betrayal. Photos required from wherever they watch.
The long haul: this is not a one-afternoon sentence. With a time commitment of full season, the punishment keeps paying out (for everyone else) long after the season ends. Long sentences need a written end date and a league-appointed enforcer who checks compliance.