The combination of something yummy and disgusting(yucky) at the same time. For example, what we eat at fast food restaurants.
Juana: Are you hungry?
Me: Nah, I went to McDonalds, had the Double Cheese Burguer with some nuggets dipped in barbacue sauce.
Juana: Yumck!
Me: Yeah, I love that shit!
Me: Nah, I went to McDonalds, had the Double Cheese Burguer with some nuggets dipped in barbacue sauce.
Juana: Yumck!
Me: Yeah, I love that shit!
by IvanCabFer February 10, 2013
Escargot tastes yumckish
by Cambrdge Dictionary July 9, 2022