Well.. I've thrown a tennis ball really hard - insanely hard - at my friends crotch, on purpose.
And I've thrown something (a rock or a stick or something) at a mate who wanted to jump off his roof and into a trampaline which caused him to miss, he broke his arm when he hit the ground.
And I've thrown something (a rock or a stick or something) at a mate who wanted to jump off his roof and into a trampaline which caused him to miss, he broke his arm when he hit the ground.