threatening to hurt

used when jokingly telling someone (or something) you will hurt them or as a one-word response to a random saying used to express your angry feelings

originates from the words "touch you"
"Hey Alex, I took ten dollars from your wallet!" "I will tachoo your face!"

"Can you pass me that soccer ball?" "TACHOO!"
by MarfieTheBeastie October 7, 2010
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