A cross between yummy and delicious. If something is yummylicious, it is one of the best things you have ever tasted.
OMG, have you tasted this chocolate mousse? It's yummylicious!
Mom: How's your food?
Kid: It's yummylicious.
Mom: How's your food?
Kid: It's yummylicious.
by neologistgirl June 05, 2011