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"Losers always try to tell the winners how to play."

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I like this one. I usually go with "let's try to behave ourselfs". It makes the fish feel good and reminds the berater that they're extremely immature. And sometimes brings about maniacal play from the tilted berater. And rarely "haven't you heard, this is a pro only table?" it's up to them to pick up the sarcasm (btw, this is at 2/4).

I'd also like to add I find there's a huge difference between the mentality of loose-passive and the loose-aggressive. I've seen many loose-passives driven away or at least tightened up by insults and berateings. They're typically there to gamble and have a good time and don't want any trouble. The lags are usually there for the competition and enjoy a good pissing match. When they get berated it makes them play "tougher" not scared. Getting into it with the bad lags can be +EV, IMO.