When you burp and you get the taste of puke. Similar to a shart, where one farts and a little shit comes out, but in the mouth area.
by Diego Chinchilla May 09, 2010
Omg. I was talking to Bob and his breath stinks. I can't handle having that shart mouth anywhere within my immediate proximity. That shart mouth should just keep his trap shut.
by Allen3000 July 15, 2015