Definition

A quick exclamation expressing approval of something with artistic flair, usually said with a slight Spanish-influenced inflection. It's basically shorthand for 'that's pretty artistic' when you can't be bothered with proper grammar.

Example Usage

She decorated her room with vintage posters and moody lighting—que artsy!

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=que%20artsy&defid=7311221)