indeed this may be a strange hippo like cartoon (originating from germany), but a moomin is much much more. if thou happen to know a boy who is podgy, with a pronounced, snout like face, he may be refered to as a moomin. other names for this kind include 'Peru'
hahaha, did you just see moomin fall over?

moomin just swang for square 'ed!

moomin you absolute gee!
by hardcoregeek May 11, 2005
Slang for penis
Alrigt love, get your lips 'round my throbbing moomin
by Michael Munn August 10, 2003

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