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1.
Verb- The action of spraying feces out the rectum onto the back side of the toilet bowl above the water level where there is no possible way it will rinse off during a flush.
"Get the janitor, somebody pulled a maerkle in the bathroom downstairs."
by TPain8675309 June 17, 2009
 
2.
noun - an individual with an overbearing personality coupled with an accent, usually heavy New York. Characteristics include light glinting off a cueball-esque head and utter lack of social censoring when talking.
Acting in a maerkle fashion is a good way to get one's self removed from any social interaction with the quickness.
by AlfaroA June 05, 2009