Bit of buffoonery (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bit of buffoonery</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 antic that I've seen before include "Tomfoolery" , "Playful caper" , "Caper; grotesque (arch.)" , "Eccentric once" , "Caper, trick" .)