An unidentified organic mass which has washed up on a beach.(noun)
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Use "globster" in a sentence
"Basically, a globster is a blobby-looking, unidentifiable carcass that has washed up on a shore somewhere."
"When I saw that headline, I first thought "globster"."
"The cryptids I most like to read about are sea serpents, giant octopi (such as the Lusca, St. Augustine globster, etc.), the Mongolian death worm, Mokele Mbembe, Kongamato, Megalania, the Almas and the Thylacine."