Top definition
Short for alternative. Description of a person who looks "alternative". Signs of an altzy person is thickrimmed glasses, dyed hair, alternative clothing style.
Kyle Lonkard has the hots for altzy girls.
by Kyle Lonk May 02, 2010
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2
Shortened version of Alzheimer's

Used to insult someone's intelligence

Like calling someone retarded
''God is real.''
"Stfu you altzy."
by Ngrfgt September 15, 2017
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