ˌflying ˈtackle noun [countable] a way of stopping someone from running by putting your arms around their legs and making them fall over
[TahlilGaran] Dictionary of Contemporary English ▲
flying tackle n.,
informal A tackle made by jumping through the air at the person to be tackled.
Most football coaches don't want their players to make flying tackles. The policeman stopped the burglar with a flying tackle. [TahlilGaran] English Idioms Dictionary ▲