Eyes down - This expression is used when the caller wants to remind the players to keep their heads down and look at their tickets when the game is about to start.If you’re still not sure you’ll understand all the terms your competitors are using, you might need to expand your bingo lingo further: This number is played on a double bingo leading to triple bingo. The wild number is determined by the first number called - for example, if the number 41 is called, then all numbers ending in 1 should be marked off.