Portmanteau of the words Tourette's syndrome and etiquette, indicating that it is always best to act on one's impulses and say the first thing that comes into one's mind.
"Wow, that's a nice horse."
"We're saving him for my birthday, he's gonna be sooo delicious."
"Wha- what?"
"Tits!"
And that's when I realized that he was just subscribing to Tourettiquette, so obviously I had sex with him.
by pseudion January 25, 2010
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