We found 3 dictionaries that define the word back flips:

General (2 matching dictionaries)

1. back flips: Collins English Dictionary
2. back-flips: Wordnik

Miscellaneous (1 matching dictionary)

3. Brilliant Dream Dictionary (No longer online)

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