Top Definition
An object that is thermos-like in nature. Able to keep cold liquids cold and hot ones hot.
Suzanne drank green tea from Mark's coffee mug at the Laguna Beach, my it was still warm after 3 hours... That mug was very thermatic!
by YYYY March 31, 2014
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×