What is the meaning of alien tattoo?

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The alien head has become an icon in American pop culture that probably originated in the 1950s around the time of the Area 51 incident (the alleged site of a UFO crash, disclaimed by the U.S.AIR FORCE as a weather balloon). The head is shaped roughly like an inverted teardrop with two large, black, oval eyes. It has come to stand for the existence of UFOs, aliens, and extraterrestrial life. In tattoo art, the alien head is sometimes also accompanied by full alien body depictions and entire otherworldly scenes as well.

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