DOOR knockers did a double-take when they spotted these hilarious welcome mats.

The mundane household item is often the first thing you see when you visit someone's house - so these residents decided to get creative with their greetings.

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It would almost be a shame to wipe your feet on these fun doormats.

They provide the perfect greeting for your guests... or tell them not to bother coming in.

From clever notices that can be read in different ways, to a note left for the burglars, these designs are bound to make you crack a smile.

Here are some of the best...

Mixed messages

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Shout and about

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Trouble and strife

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Don't get your knickers in a twist

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Location, location, location

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The name game

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A little problem

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Stealing the thunder

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Anti-social behaviour

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Pawsome!

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This teacher rules

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Swipe right!

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These aren't the only signs to make people giggle in recent months.

Here are some notices that offer extremely basic instructions... with hilarious results.

And take a look at 15 of the funniest signs places have used to advertise booze.