Only two things are certain in life: 1. Charles Barkley and Shaquille O'Neal arguing and 2. Charles Barkley and Shaquille O'Neal not not arguing.

But while they always don't see eye to eye most of the time (which also makes for quality TV, BTW), they seemed to agree on one thing on Thursday: Barkley trolling fans will always be a magnificent treat.

During their NBA on TNT broadcast, one fan asked on Twitter: Do Shaq and Charles even know what they're arguing about? To which Barkley hilariously responded: What you talking about? We're talking basketball, shut the hell up and watch! Expectedly, it elicited laughter from Barkley's co-hosts and most probably from millions watching at home. Or wherever people are these days.

Like the Earth not being flat, it's no secret that Barkley and Shaq have had their heated debates over the years. Most recently, they argued over the MVP credentials of Phoenix Suns star Chris Paul this season. Sir Charles believes CP3 deserved to win the much-coveted plum because of how he's become the difference-maker for the Suns. To no one's surprise, Shaq disagreed, believing fellow big men Joel Embiid of the Philadelphia 76ers and Nikola Jokic of the Denver Nuggets are more deserving.

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If anything, Barkley and Shaq sure know what they're arguing about as both of them were named MVP during their playing days.

So to other fans who still question their credibility, you might have to think twice. To quote the great philosopher Charles Barkley: Shut the hell up and watch!