Petty argument (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">petty argument</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 tiff that I've seen before include "Mild quarrel" , "Minor argument" , "Lovers' row" , "Minor squabble" , "Row; argument" .)
(Other definitions for squabble that I've seen before include "Have a minor row" , "Bicker" , "Petty row" , "Quarrel in petty or noisy way" , "Quarrel about petty points" .)