flag football noun
Learner's definition of FLAG FOOTBALL
[noncount]
: a form of American football in which the player with the ball is not tackled but instead must stop when another player removes a piece of cloth that is attached to the player's waist美式腰旗橄榄球（守方队员拉下攻方持球队员腰上的腰旗，进攻即告停止）