You know the phrase: "Couldn't punch his way out of a wet paper bag?"
Well, this five-year-old boy could. In fact, he'd do a good job punching his way out of a dry paper bag. Made of concrete!
Don't believe us? Take a look at this astonishing footage of the mini-pugilist in action.
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Not the kind of son you'd try to have a bit of rough-and-tumble with, unless you really like hospital food!
In the clip – magnificently named Nijee TheFuture – dons his gloves for a spot of pad sparring with his dad at their home in the States.
It's a masterclass in timing and power, the likes of which would put Carl Froch to shame (after the lad grows a bit!)
The speed of his punches and rapid footwork really are quite a sight to behold. And how his father keeps up is anyone's guess.
But let's hope his superlative skills stay firmly at home or in the boxing ring – because we wouldn't fancy the chances of playground bullies if they wanted Nijee's lunch money!