2 definitions by Roark

Top Definition
the affliction of having multicolored or abnormally colored poop.
Oh man, I totally just had some hemmertyphen!
by Roark October 22, 2006
n. (gee'ess'bee'em) Acronym: Greasy Shit Bowel Movement. A form of defecation similar to diarrhea that has more consistency and leaves a greasy film around the bowl afterwards. While easily confused with diarrhea, one can mark the difference by it's consistency which is more akin to pouring out a well made shit milkshake.
"Dude, could you use the brush after that massive gsbm? I think it's eating away the ceramic."
"Cancel all my appointments. A gsbm is brewing."
by Roark December 18, 2007
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