Poke with a finger (4)
I believe the answer is:
prod
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">poke with a finger</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for prod that I've seen before include "Poke with forefinger, stimulate" , "Push with pointed instrument" , "Provide stimulation" , "Induce action (with stick etc?)" , "Drop (anag.)" .)