Top definition
a word pronounced "gu-shoo" where the 'gu' is quick.
it sounds japanese but doesn't mean anything.
it is a word used by someone who is acting random or cute.

often used with a cute smile or pose.
Jane: Gushu~~~~!! :3
Jill: Hahaha. How cute~ ^^
by Oh!MG October 21, 2010
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