A quick change in behavior or feelings in a short period of time. Much like "mood-swing" but for males only.
"Hey what happened to Josh? Is he ok?"
"Probably just a dude-swing."
by trumpeteer007 January 13, 2015
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A regularly chill dude who suddenly goes into an emotional rant, usually when drinking.
a: "you know you're my best friend, right? I love u man! But why do you have to be such a dick sometimes? God, you make me so angry!"

b: "Relax with the dude swing. Just drink your beer. "
by sike moda November 16, 2009
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