### Clue: Pick up small potatoes, pea soup and trifle (8)
### Answer: PETTIFOG 
 ### Explanation: Definition: trifle
 **Homophone of** (Pick up) "petty"( trifles;in slang, small potatoes) + FOG(which if dense, is called "pea soup").
Answer: Used only as a verb, to quibble or fuss over trifles.