We found 2 dictionaries that define the word back it up:

General (1 matching dictionary)

1. Back It Up (Caro Emerald song), Back It Up (Prince Royce song), Back It Up (Robin Trower album), Back It Up: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)

2. back it up: Urban Dictionary

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