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Most of us make a right song and dance out of shotting tequila, often spending at least five minutes psyching ourselves up to knock it back - though only after getting a whiff of the stuff and retching theatrically several times, obviously.
But Johnson is clearly made of much sterner stuff than the rest of us mere mortals, having managed to not only take a gulp without even the slightest of grimaces, but to see off half a bottle without any dramas whatsoever.
The star was responding to a challenge from TikToker Fia James (@fiajames_), who tasked followers with having a shot without pulling a disgusted face.
In her clip, she said to the camera: "You know what? You're not that hard. Take a shot of tequila without making a face. Bet you can't, b****."
The Rock dutifully obliged, proving he's 'hard' by downing not just a shot of tequila, but half a bottle of it.
His tipple of choice was his own brand Teremana Tequila - which I'd imagine slides down a little easier than the stuff we're used to necking.
Maybe it's easier not to flinch if you're not in a grotty nightclub passing slices of lemon around, having just forked out a whole fiver on a round of shots for you and your friends. Just sayin'.
Tagging Teremana in the caption of his Instagram vid, The Rock wrote: "Cue 'Welcome to the Jungle'."
The tequila brand was launched in March last year by The Rock and his business partners Dany Garcia, Ken Austin and Jenna Fagnan.
An 100 percent Blue Weber agave tequila, Teremana is currently produced at the brand's own distillery in Mexico, which is attached to a larger, family-owned facility in the highlands of Jalisco.
Last month, Fagnan said the team had been 'blown away' by the response to the drink after it was launched, adding that they were on track to sell 300,000 cases in the business' first year.
She said in a statement: "We have had significant out of stocks during our launch year due to the unprecedented demand.
"Since Teremana is made in a small batch style, we can only increase production so quickly and have not been able to keep up with demand. We are building more brick ovens and copper pot stills as we speak.
"If we continue to do what we are doing, the right way, we clearly see Teremana being a million-case brand and beyond."
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