Verb: spiff upUsage: N. Amer, informal- Make neat, smart, or trim
"spiff up your house for Spring";
- spruce up, spruce, titivate, tittivate [rare], smarten up, slick up [N. Amer], smarten
Derived forms: spiffed up, spiffing up, spiffs up
Type of: beautify, fancify, prettify