yeah, i've seen far better than this. my personal favorite was when a smoke nade got stuck inside my head. literally, inside it. i believe it was bouncing off of the interior of the model's head, dealing 1 damage each time...never landing either, so it never went off. i just waited and waited and waited until it killed me.
also, for the record, it takes forever to die when you are alpha zombie and didn't get hit once before said smoke nade