We found one dictionary that defines the word fasten something on upon:

General (1 matching dictionary)

1. fasten something on/upon: Oxford Learner's Dictionaries

▸ Words similar to fasten something on upon ▸ Usage examples for fasten something on upon ▸ Idioms related to fasten something on upon ▸ Wikipedia articles (New!) ▸ Words that often appear near fasten something on upon ▸ Rhymes of fasten something on upon ▸ Invented words related to fasten something on upon