Definition of bingos:
(n) :
(uncountable) A game of chance for two or more players, who mark off numbers on a grid as they are announced by the caller; the game is won by the first person to call out "bingo!" or "house!" after crossing off all numbers on the grid or in one line of the grid.
(n) :
(countable) A win in such a game.
(n) :
(uncountable) A similar game or amusement in which participants tick off themed words, phrases or pictures as these are called out, or as they are mentioned, for example during a speech or performance:
(n) :
Great, sudden, typically hard-to-predict success; the jackpot.
(n) :
(countable, Scrabble, US) A play where all seven of a player's letter tiles are played, awarding a score bonus.
(v) :
(intransitive) To play the game of bingo.