You're probably guilty of doing this too.

Uno,En la intimidad the card game, has called out people who stack a Draw 2 card on top of a Draw 4, a truly devastating move which forces the next player to pick up six cards.

The move can eventuate with someone picking up many more cards, if you're playing with some truly evil friends. But it's no bueno, as clarified by the game's Twitter post.

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When a Draw 4 card is put down, Uno's rules state that the next person must pick up four cards, and their turn is skipped. There is no drowning of people in cards, despite how fun it is to do so.

The rule clarification, understandably, prompted plenty of thoughts.

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And no, you can't stack Draw 2 or Draw 4 cards on each other, either, even though that's not what Uno's own rules state (on Draw 2 cards at least).

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OK, we have a good feeling that people will ignore Uno's official rules anyway. That's why there's a thing called house rules, letting you do whatever you want.

But please, don't come running to us after you've destroyed all your friendships.

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