Welcome mat
A welcome mat or doormat was a type of rug placed outside one's home typically with the word "welcome" written on it. In the cartoon Daffy Duck and the Dinosaur, Casper Caveman had a welcome mat outside his front door. ()

A welcome mat was among the objects present at the abandoned colony on Terra Nova when it was explored by a landing party from  in 2151. ()

In an alternate 2263, Captain  commented about Jaylah's booby traps, referring to their use as a strange way to "lay out the welcome mat." Jaylah however, had no idea what a welcome mat was. ()

In 2368, Commander William T. Riker characterized the increasing defenses around an artificial biosphere on Moab IV as being "not exactly a welcome mat.". ()

The term "doormat" could refer to someone who allowed others to take advantage of them. In 2370, Minister Jaro Essa likened the Bajoran people to doormats; they had been stepped on by any great power that happened by, such as the Cardassians and the . ()

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Household tools
Insults