Snowmobile (3-3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">snowmobile</span>' is the definition.<br/ ><span class="explanation-format__explanation">(trademark name for a type of snowmobile)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for skidoo that I've seen before include "snowmobile" , "Snow vehicle with skis at the front" , "Motorised toboggan - get out fast" , "Motorised sledge" , "winter vehicle" .)