We found one dictionary that defines the word lets call the whole thing off:

General (1 matching dictionary)

1. Let's Call the Whole Thing Off: Wikipedia, the Free Encyclopedia

▸ Words similar to lets call the whole thing off ▸ Usage examples for lets call the whole thing off ▸ Idioms related to lets call the whole thing off ▸ Wikipedia articles (New!) ▸ Words that often appear near lets call the whole thing off ▸ Rhymes of lets call the whole thing off ▸ Invented words related to lets call the whole thing off