We found one dictionary that defines the word bunching sth up:

General (1 matching dictionary)

1. bunching sth up: Cambridge Advanced Learner's Dictionary

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