Circus gymnast (7)
I believe the answer is:
acrobat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">circus gymnast</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for acrobat that I've seen before include "Performer going head over heels?" , "Performer of great agility and coordination" , "circus artiste" , "Taco bar (anag.)" , "User of five ac" .)