It depends on whether the debt is legal or not. If it's a legal debt (i.e. placed at a Vegas casino in their sportsbook), the casino can take the bettor to court, just like any other debt such as credit card or car loan.

Fees. What percentage do bookies take? That question refers to the book fee that is collected from a wager. Bookies usually take around 10 percent, this is what they call the juice  or the vig.

Drake bet $1 million on Argentina to win the World Cup but lost it all in 2 minutes. Drake lost $1 million on a technicality. World-famous singer Drake bet $1 million that Argentina would win the World Cup final against France on Sunday.

Argentina is currently at +500 odds on FOX Bet to win the World Cup, the second-favorite out of the 32 qualifying teams. On the other hand, Saudi Arabia is 3-11-2 all-time in the World Cup. This is the team's sixth tournament appearance and second straight one as well.