Servile flatterer (7)
(Other definitions for crawler that I've seen before include "Internet search program" , "Sycophant" , "Figure that's greasy" , "Slow driver" , "Obsequious person" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">servile flatterer</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 sycophant that I've seen before include "old informer" , "receiving ultimate in flattery from one such?" , "Servile flatterer" , "Uriah Heep, say" , "obsequious one" .)