1. n. - an low grade all purpose sauce containing a mixture of ketchup, mustard and a general assortment of seasonings. Generally used for dishes in which the sauce is the only thing that possesses any flavor.
v. - the act of adding muschup to any food stuff.
1. This chicken tastes like wax ... where's the muschup?
2. I had to muschup up yestersday's leftover taco meat.