American, informal

nothing at all.

What does he know about the South? Diddly-squat!

The lyrics in his songs aren't worth diddly-squat - it's the melodies that make you feel good.

• for all intents and purposes
• for all knows
• for all someone cares
• for all someone knows
• for all something
• for all that
• for all the world like
• for all the world like something
• for anything
• for anything in the world
• for a price
• for a song
• for better or for worse
• for better or worse
• forbidden fruit
• force hand
• force of habit
• for certain
• force someone's hand
• force to be reckoned with
• for Christ's sake
• for crying out loud
• For crying out loud!
• foregone conclusion
• forelock-tugging