Gan is an abbreviation for the word goofy ass nigga which is self explanatory
Timmy: *does something goofy*
Zach: “Damn u a gan!”
an ethnic slur invented by the Soviets for the Germans. Translates to "Hans" in English
"Klaus tried to push me at lunch today trying to start shit. I called him a Gans responding to this
When your stupid and misspell Gabe like a noob
Person1: Hi Gan how are you
Person2:You are a disappointment