In sports, when a player achieves 4 strikes in a row, it is called a four-bagger or commonly referred to as a four-strike streak. This term is mostly used in bowling and refers to when a bowler successfully knocks down all the pins with their ball four times in a row without any misses. For example, if a bowler throws four consecutive strikes in frames 4, 5, 6, and 7, they would have achieved a four-bagger. This is considered a remarkable accomplishment in bowling.