Top Definition
adj. One who causes trouble, especially for others - a contraction of "shit stirrer".
Joey just lied to his older sister about nailing her best friend - what a shitster!
by jim October 03, 2003
One who claims to be a hipster.
Dude, look at all thoes Shitsters and art fucks.
by El Duche the fag basher October 29, 2010
two best friends who become the equivalent of blood brothers, by reflecting on their lives and their shit while they take a dump in the stalls next to each-other...... a strong bond of friendship is formed and remembered whenever either shitster take a shit
M and M are becoming shitsters in the bathroom at barnes and noble by releasing their poop into toilets
by shhhittssstersssss January 13, 2009
A shitty sister. To be used in jest or maliciously.
What's up, ya shitster?
by Suzerain17 December 30, 2005

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