LONDON -- If there's one thing you should never,kevin harts sex tape video ever do on Twitter, it's criticise Tesco Mobile.

Even if you don't mention them directly in your tweet, they'll see it. And they'll come for you.

This was a lesson Joe Lee learned the hard way on Sunday, after he made the tragic mistake of throwing some shade at Tesco Mobile with the following subtweet.

This Tweet is currently unavailable. It might be loading or has been removed.

Tesco Mobile didn't pull any punches with their response.

This Tweet is currently unavailable. It might be loading or has been removed.

Ouch.

This man summed the whole thing up pretty well.

This Tweet is currently unavailable. It might be loading or has been removed.

Others, meanwhile, immediately thought about changing network purely on the strength of Tesco Mobile's comeback.

This Tweet is currently unavailable. It might be loading or has been removed.

Of course, this wouldn't be the first time Tesco Mobile has shut someone down on Twitter. They've got form.

This Tweet is currently unavailable. It might be loading or has been removed.

This Tweet is currently unavailable. It might be loading or has been removed.

Just don't mess with them, OK?

Have something to add to this story? Share it in the comments.