The loser runs the champion's errands for a set period, returns, pickups, waiting-in-line duty, while wearing an identifying shirt ('Currently serving a fantasy football sentence'). Errands must be real, but champions get creative about what counts as real. The DMV run is traditional.
The long haul: this is not a one-afternoon sentence. With a time commitment of one month, 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: fantasypunishments.com · fantasyfootballunlimited.com