1 definition by Lemonade and Lamingtons

Top Definition
A combination of Yum plus Awesome, ergo Yumsome. Something (usually food) which goes beyond the normal boundaries of either yum, or awesome, and is therefore, "Yumsome".
My sushi was delicious. It was truly Yumsome!
by Lemonade and Lamingtons October 11, 2011

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