With a piece of ice hidden in a snowball, a snow fight turns murderous.
threw it at somebody's 
head, it'd probably work.
،ورميتَها على رأس شخص
فقد ينجح الأمر
und jemandem an den Kopf wirft,
sollte es klappen.
e venisse tirata in testa a qualcuno, 
probabilmente succederebbe.