- Paint the town red
- Partner up
- Pass the buck
- Patience
- Peachy keen
- Pedal to the metal
- Peeping tom
- Peg out
- Pen and ink
- Perfect pitch
- Phone it in
- Photo bomb
- Pig out
- Pigs ear
- Pigs might fly
- Pipe down
- Place
- Plates of meat
- Play devils advocate
- Play safe
- Play the field
- Politics
- Pommy bashing
- Porky pies
- Potatoes (or taters) in the mould
- Potty mouth
- Practice makes perfect
- Prick up your ears
- Pride
- Proverb
- Proverbial
- Pull the plug
- Pull the wool over someones eyes
- Pull your horns in
- Pulling your leg
- Put a sock in it