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1.
The alarm that will surely wake you from a pleasant dream and a deep slumber early in the morning so you can go to work at your crummy minimum wage job.
hey Al, wasn't the sound of the shitclock this morning about annoying as hell?

Al, "yes it was"
by Z=dog February 14, 2010
2 1
 
2.
The amount of time that elapses when you get the urge to have a crap and the time you actually get down to business.
The shit clock is ticking--time to hit the can!
by amadeus April 07, 2005
7 8