Gub means something really amazingly good almost like the word uber but unlike the word uber it is not gay as fuck not only nerds say it. fucking uuber dduber nerds go suck a fat dick
kid 1: i just reached level 89 damn im uber
kid 2: shut the fuck up you dork stop saying such stupid ass words, go suck ur own dick faggot
kid 3: yes i just reached 69 thats some gub good shit
kid 2: damn right none of that silly faggot uber shit
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