schmear

[SHMEER] Thought to have come from the Yiddish word shmirn ("to smear or grease"), the word schmear is used in the culinary world to describe a dab of something like mayonnaise or cream cheese that's spread on a roll, bagel, etc. More recently, cream cheese is combined with flavorings such as onions, garlic and bell peppers to create a spread that's commercially packaged as a "schmear."

The noun has one meaning:

Meaning #1: (slang) a batch of things that go together
  Synonyms: schmeer, shmear