Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: i was being stupid and playing with a nailgun that i thought had no pressure supplying it.
i was wrong. it ended shooting through my left pointer finger, barely missing the bone and getting stuck on the way out. spent 5 hours in the hospital getting it removed. i'm officially a moron. 

photos and x-rays:
http://imgur.com/a/fjjof

edit: clarification

TIFU: By playing with a nailgun