Blend of yum + scrumptious <span class="searchmatch">yumptious</span> (comparative more <span class="searchmatch">yumptious</span>, superlative most <span class="searchmatch">yumptious</span>) (slang) delicious, yummy 1933, Beatrice Borland, Passports...
scrumptiously scrumptiousness scrumtrulescent (possibly) unscrumptious <span class="searchmatch">yumptious</span> of food: delectable, delicious — see also delectable, delicious of a...