A human (presumably) subspecies found in every single Democrat controlled area in the United States. Stemmers possess only an extraordinarily primitive brain stem which governs their basic bodily functions, and a hyperactive fight or flight reflex that kicks into overdrive whenever they are exposed to facts that conflict with the leftist media propaganda they consume on a daily basis. Stemmers are typically seen in internet cafes, slurping on soy lattes and making use of the free wifi while bitching about how the Right Wing is the source of everything currently wrong with the country, around college campuses where they go to (presumably) get an education, protesting for some obscure leftist cause with groups such as Antifa, or lurking in their parents basement well into their 20s and 30s because they absolutely refuse to grow up and face the challenges of adult life.
Bro, don't be such a f**cking Stemmer, move your bum ass out of your Mom's basement and get a job!
by The Gun Monkey April 2, 2022
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One who is recently unshaven - possibly destitute and/or homeless - with the bristles of a beard being referred to as "stems". Colloquially common to the Atlantic maritime region of Canada.
Jeez Frankie, will ya shave? Ya look like an old stemmer!
by Weenis isn't September 21, 2018
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Last night I was fuckin stemmered.

Andy was stemmered after he necked those chasers.
by Gavski (Gav W) November 30, 2006
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One who exhibits loser like qualities. An A-Hole.
Yor-ah Stemmah, kid. (You're a stemmer, kid).
by Casey Pratt September 23, 2006
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Male inserts penis into a mouth, therefore completing the "stemmer."
by dmesk24 August 4, 2009
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