Make a face (3)
I believe the answer is:
mug
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make a face</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 mug that I've seen before include "Cup; stupid person" , "Drinking vessel, by gum" , "Large drinking vessel or slang victim" , "Fall guy" , "Drinking vessel; dupe" .)