the term pub is often used by elitist fags to show how awesome they are and how crappy moron someone else is.
everything works in pub: to show that your penis is bigger than the OPs.
pubstomp: another way to express how awesome you are. "i pubstomped with xy crap hero" means that you're so awesome that you can win versus a bunch of other guys using and underused hero (which usually has suboptimal items). the fact that you're able to pubstomp with xy usually shows nothing and noone cares about it, but it's a good way to boost your ego.
pubber: the pubber is usually someone, who - as far as you know - has smaller penis than you (either on internet or irl).
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