La-di-da (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">la-di-da</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for arty that I've seen before include "Aesthetically pretentious" , "Bohemian" , "Dilettante" , "Pretentiously affected" , "Trendily into painting" .)
(Other definitions for posh that I've seen before include "Of the wealthy classes" , "Upper-class - Spice girl" , "Smart, stylish" , "Stylish (informal)" , "High-class" .)