Top Definition
Australian slang synonymous with American terms such as "hipster" or "scenester".
Those girls are such coolsies with their bangs and iPods.
作者 Jon Wilcox 2005年11月05日
A "cute-ified" term for cool; similar to calling a sip of beer "a sippy of beer".
It's really coolsies that you went to the mall.
作者 Nora Kay Figi 2005年4月08日



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