We found 2 dictionaries that define the word use one's loaf:

General (1 matching dictionary)

1. use one's loaf: Wiktionary

Slang (1 matching dictionary)

2. use one's loaf: English slang and colloquialisms used in the United Kingdom

Definitions from Wiktionary (use one's loaf) ▸ verb:  (Cockney rhyming slang) To think. ▸ Words similar to use one's loaf ▸ Usage examples for use one's loaf ▸ Idioms related to use one's loaf ▸ Wikipedia articles (New!) ▸ Words that often appear near use one's loaf ▸ Rhymes of use one's loaf ▸ Invented words related to use one's loaf