Exuberant cry (5)
(Other definitions for yahoo that I've seen before include "Human-looking beast in Gulliver's Travels: search engine conglomerate" , "Brutish person created by Dean Swift" , "Rude or coarse person" , "One of Dean Swift's brute people" , "A Swiftian lout" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">exuberant cry</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 wahoo that I've seen before include "Ornamental shrub" , "swimmer" , "Large fish related to the mackerel" , "Burning bush" , "in America, yeah baby!" .)