A framed portrait of the league champion, commissioned or heavily filtered, hangs in the loser's home or office for the year, visible in every video call. Some leagues require a small candle beneath it. Guests will ask; the loser must answer honestly.
The long haul: this is not a one-afternoon sentence. With a time commitment of full year, 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.
Seen in the wild: 4for4.com