What's The Most Messed Up Thing You've Ever Done To A Sibling?

Can't live with them, can't live without them.

Siblings are amazing.

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In fact, they're actually one of the best things about being a kid. You always have a built-in friend.

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But sometimes—actually pretty often— your siblings piss you off, or you piss them off. It looks a little something like this:

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That scream!!!!

Or maybe you were the older sibling and you had a special "game" you played with your lil' bro or sis. Something like this...

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"I threw a football at my brother when he was riding by on a bike and convinced him it was a game. Threw it at the front tire, spun it, and he went right over the handle bars."

Sometimes things get taken a little too far, "I punched her in the stomach five years ago on Christmas Eve, before church." But, why?

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And often things get a little out of hand...

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"I was about to tell you a story about a time my sister threw scissors at me. But, then I remembered I was the one who threw the scissors, because she held my head really close to a pancake griddle."

No matter how brutal, tell us about the time your siblings did something to you or you did something to your siblings in the comments below!

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The most cringeworthy/hilarious submissions will be featured in a BuzzFeed Community post.