Get ready to bite (6)
I believe the answer is:
teethe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">get ready to bite</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for teethe that I've seen before include "to suffer in infancy" , "Of baby, grow molars, canines etc" , "experience eruption, by gum!" , "Cut one's dental fixtures" , "Develop gnashers" .)