The end was chaotic, with a hurried play, a penalty flag and a meeting of the game officials.
He'd had enough of her poor sportsmanship and penalty flags.
The game marks the first use of the penalty flag in American football.
Naturally there was a penalty flag when the dust settled.
His most celebrated innovation was the penalty flag, which he created and introduced on October 17, 1941.
If a player forgets to state the final operation first, they receive a penalty flag.
Touching inside this area results in a penalty flag.
The special teams could do little without drawing a penalty flag.
Brown admitted he had looked for a penalty flag.
I've seen minimal yellow on my screen (penalty flags) and that's for the better.