Sylvester, to Tweety (3)
I believe the answer is:
tat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sylvester to tweety</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 tat that I've seen before include "Shoddy articles" , "Tawdry stuff" , "trashy clothing" , "Tawdry and shabby article" , "Tasteless articles" .)