Flight of fancy (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flight of fancy</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 whimsy that I've seen before include "Quaint fanciful humour" , "Gentle fantasy" , "Capricious humour" , "Playfully quaint behaviour" , "Something fanciful" .)
(Other definitions for whim that I've seen before include "Passing fancy" , "fantastic creation from the past" , "Fancy, notion" , "Fad" , "Impulse or caprice" .)