Actually means "scrumptious" as in delicious, tasty, yummy. Those who say "scrumpt" (pronounced scrump-sh, as if you were saying scrumptious without the "ous" sound) are usually prone to shortening every word he/she will say during the remainder of his life.
DecentGuy12: Let's go get some chinese food, I heard Wonderland Cuisine has finefood.
When you see something that looks so delicious that you want to eat it.
A description of something that looks so good there are no other words accept for scrumpt.