What does "schmaltz it up" mean?

Vocabulary Word: schmaltz it up

1. Definition (expr.) to schmaltz something up means to make it kind of cheesy, to make it so nice and overly-emotional that it’s not fun or cutting edge anymore

Examples “I really want to have some slow music at my party but I don’t want to schmaltz it up too much.”

Examples “Your holiday decorations are really cute. I am glad that you didn’t schmaltz it up like everyone else does at this time if year!”

Examples “Going to the mall at Christmas time is always crazy. The people are so rushed and the stores schmaltz it up so much with holiday music and decorations that it doesn’t seem real at all.”