While the vast majority of casino patrons are completely satisfied grinding away at the blackjack tables, a specific breed of gambler craves something much more extreme.

A proposition bet is an unofficial wager made strictly between two individuals, completely bypassing the casino, often involving highly bizarre or physically gruelling challenges.
A Month in the Dark
In 2018, Alati bet a fellow gambler $100,000 that he could survive for 30 consecutive days locked inside a pitch-black, completely isolated bathroom.

Alati was placed in the dark bathroom with only a bed, a bathtub, and regular deliveries of completely unseasoned, random food.
Prop bets are unofficial wagers made directly between two gamblers, not the casinoThey usually involve bizarre physical challenges, extreme endurance, or strange tasksPoker players are notorious for making massive prop bets simply out of extreme boredom The Extreme Weight Loss (and Gain) Bets
Professional gamblers frequently weaponize their own physical health in pursuit of massive, multi-million dollar proposition bets.

Conversely, brothers once bet each other massive sums that one could not eat $1,000 worth of McDonald's food in a single, agonizing 24-hour period.
The Most Bizarre Bet in History
Furthermore, the bet stipulated that Zembic had to maintain the implants for one full, complete year to collect the massive payout.

In a bizarre twist, he earned a massive $10,000 annual residual payout from the original bettor for every additional year he kept the implants.
The GamblerThe Ridiculous BetThe Massive StakesRich Alati30 Days in a Pitch-Black Bathroom$100,000Ted ForrestExtreme Rapid Weight Loss (Under 138lbs)$2,000,000
While highly entertaining to read about, these legendary wagers are a stark reminder of the sheer insanity fueled by massive wealth and boredom.