We found 2 dictionaries that define the word bum-bum:

General (1 matching dictionary)

1. bum-bum: Wiktionary

Slang (1 matching dictionary)

2. Bum-bum: Urban Dictionary

Definitions from Wiktionary (bum-bum) ▸ noun:  (childish or belittling) The buttocks or anus. ▸ Words similar to bum-bum ▸ Usage examples for bum-bum ▸ Idioms related to bum-bum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing bum-bum ▸ Words that often appear near bum-bum ▸ Rhymes of bum-bum ▸ Invented words related to bum-bum