We found one dictionary that defines the word spiffs sb/sth up:

General (1 matching dictionary)

1. spiffs sb/sth up: Cambridge Advanced Learner's Dictionary

▸ Words similar to spiffs sb/sth up ▸ Usage examples for spiffs sb/sth up ▸ Idioms related to spiffs sb/sth up ▸ Wikipedia articles (New!) ▸ Words that often appear near spiffs sb/sth up ▸ Rhymes of spiffs sb/sth up ▸ Invented words related to spiffs sb/sth up