the shocked look on one's face as they realize they have not farted as they expected, but indeed sharted instead. shart face most commonly occurs during public sharts.
Dude I was talking to Sarah and I was really nervous and had to fart. But then I sharted and I had the worst shart face. Fuck.
by Bartholomew Cubbins February 09, 2011
by Bartholomew Cubbins October 29, 2009
by Bartholomew Cubbins October 29, 2009