Fusion between squirt and squishey.. also kind of sounds like Hershey.  Basically a wet nasty crap that you feel coming on and you know it's going to sting like the bejeezus.
by Zenophobe November 17, 2005
 Get the squirsheymug.
Get the squirsheymug.  Get the squirsheymug.
Get the squirsheymug.