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A fat person who wears skinny jeans. So called due to the fact that one who does resembles toothpaste being squeezed out of a tube.
"Have you heard about Mikes new girlfriend? I think they met at some punk show."

"Yeah, I facebook stalked her and you could only see her eyes on her profile pic... She's probably a toothpaster."
by ptakattack August 27, 2011