No matter how old you are, children cursing will never not be funny.

Big sister and Twitter user @elonahelen played a Halloween trick on her younger brother Sam by high-fiving him with a noticeably fake Halloween hand and his reaction was positively priceless.

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SEE ALSO: 21 Halloween costumes ideas for all you book worms out there

Sam sure has a colorful vocabulary for such a tiny person.

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Don't worry Sam, we probably would have reacted the same way.

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