thud drill

A format of American football practice in which the players, wearing helmets and shoulder pads, hit each other, but remain on their feet

thud drill

Thump practice Sports medicine A format of football practice in which the players, garbed in helmet and shoulder pads, hit each other, but remain on their feet. See Spring practice.
References in periodicals archive ?
It was a perfect example of the thud drill, just in a game.