Top Definition
A closed minded individual who spends 90% of their time protesting against smoking in an annoying and unintelligent manner. Usually backed up with little or no scientific data.
Doctor: I wish I could give this patient medical marijuana and let him die in peace, but those Mariwhiners won't let our government legalize it.

by kspuhler April 19, 2009
the guy you meet in rehab who "only smokes weed" and doesn't belong here!!!!
That Jimmy is a fricken mariwhiner. he should go the fuck home, or learn to shoot dope
by jacksonvillan December 04, 2011
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