(Noun) A college semester in which one's schedule is composed of mainly requisite and difficult courses that do not pertain to their major, minor, or area of interest.
Victoria: "Registering for classes makes me want to throw up."
Erin: "I know, Spring '15 is going to be a shitmester."
Victoria: "SAME- I'm taking poly science and a science lab... I'm a communications major."
That one shit that drops so hard and so fast (almost Matrix style) that before your asshole has a chance to close you get a nice splash of ShitWater back in your hole!
Alternative for Shit Stirrer, used to describe a person that loves to cause trouble for others. Pronounced shite-ster. Used prominently in the rough areas of the UK.