Top Definition
Used to express mulitple "that" girls
You: " Yo, you hook up with "that" girl last night at Daves?"

Me: "which one of those "thaties" are you talking about? Kristen or Ashley?"

You: "Haha"
by Criffy June 18, 2008
1 more definition
A combination of 2 words, that and fatty.
Usually used in place of the word "that" when talking to a fatty
"why would you think thaty"
when used whilst speaking to a fatty
by electronic honkey May 01, 2005

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