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a fictional animal that is commonly found on sheets along with other fictional animals whos names start with a letter of the alphabet to teach young children how to spell in bed.
why the fuck does you sheet-door have an animal called seapoon on it.
by boobs mcgee May 27, 2005

Words related to seapoon

animal beast creature fishy monster
An underwater sea creature often apperaing on sheets.
Whoa, did you just see that seapoon. That's probably a once in a lifetime thing.
by Jose Joselo October 09, 2005