what happens when one has not defecated in the last 10 hours and relaxes the anal sphincter to fart, but, low and behold, the defecation feels left out and decides to come along for the ride. sometimes results in a hard, long log dropping out of trousers, but is usually wet and messy and results when one tries to push out a fart.

nick: man i sharted last night at the party.
john: that sucks man. how'd that happen?
nick: i hadnt shit since the day before and i really needed to fart. i thought i would be okay just to fart but as soon as i let it out i realized what i had done. i didn't make it to the bathroom in time so everyone saw it run down my leg. it was gross.
john: oh...
nick: but my girlfriend helped me. she wiped my ass for me and she put on my diaper. it took her like 67 wipes just to get all of the shit out of my asshole and off my balls.
john: she must really love you...
by AlwaysBord April 10, 2007
Get the shart mug.
when u fart and shit in one smooth motion.usually invovles an extensive cleanup.
i was with my girlfriend and then sharted all over the inside of my pants.
by jim dandy January 24, 2005
Get the shart mug.
A shart is when one shits and farts at the same time. its sort of like vomiting up a pizza.
'yo david i have to go shart'
'whats sharting'
'u will understand when ur older'
'im 33'
'thats a u problem not a me problem'
Get the shart mug.
it is when you think you are going to fart, but you really shit your pants
My friend sharted in his sleep and it got all over his sheets
by ctdrummer February 21, 2012
Get the shart mug.
A squishy fart that also yields some solid waste.

see also Cammshaft23

Camm is a human shart.
by cchil January 10, 2006
Get the shart mug.
Not quite a shit, not quite a fart, but maaaaannnnnn...

So to answer your question I dunno.
Some come here all broken hearted,
I came to shit, but only sharted
(written on toilet door)
by dancer01 March 10, 2005
Get the shart mug.