- Make-up figure
- When you withdraw funds, the make-up figure is the amount you are required to deposit before you are eligible for bonuses again.
- March Madness
- The annual NCAA men's basketball championship tournament.
- Middle(s)
- To win both sides of the same betting proposition. For example, placing a wager on the favorite team at - 2 1/2 with one bookmaker, then taking +3 1/2 with another bookmaker. When the game ends up with the favorite winning by exactly three points, the player has "middled" the game. Middling is a favorite betting method of "wise guys".
- Middler
- A player who tends to middle his bets.
- MLB
- An abbreviation for Major League Baseball.
- Money Line
- Odds expressed in terms of money. It refers to the amount the player must risk to win $100, or the amount the player wins on a wager of $100. The team being wagered on simply has to win the game. Payoffs are based on true odds rather than fixed odds.
- MTP
- An acronym for minutes-to-post, i.e., the time remaining before the start of a particular race.
- Mutual Handle (Racing)
- The total sum wagered for a single performance or a full meeting.
- MVP
- An abbreviation for Most Valuable Player.
