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

General (1 matching dictionary)

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

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