Spin a coin (4,2)
(Other definitions for toss up that I've seen before include "close thing" , "It's as likely as not" , "Spin a coin - prepare food quickly" , "It's an even chance" , "unpredictable result" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spin a coin</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 tossup that I've seen before include "A gamble - flip a coin" , "Even chance or risk" , "Spin a coin - prepare food quickly" , "Situation with equally likely possible outcomes" , "Throw in air, coin or salad" .)