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1.
Smart, sexy and a little wild. Creative spirit and not afraid to take chances.
Thesy got it goin' on!
by XbarcelonaX February 03, 2010
 
2.
Literally meaning a "Shit Theory". The combination of theory and feces. A theory that is so absurd that it must be made up. Something that is based on semi-truths with ridiculous outcomes.
"Coffee cures cancer because of it's magical healing powers."
"Sounds like a thesies to me."
by SABCal91 January 05, 2014