someone who has blue blood is from a family of the highest social class.

He has a fair bit of blue blood coursing through his veins.

• put two fingers up at
• put two fingers up at someone
• put two fingers up at something
• putty in hands
• putty in your hands
• put under the microscope
• put up a brave front
• put up a front
• put-up job
• put up or shut up
• put words in mouth
• put words in someone's mouth
• put words into mouth
• put words into someone's mouth
• put years on
• put years on someone
• put you in place
• put you in your place
• put your back into
• put your back into something
• put your best foot forward
• put your cards on the table
• put your feet up
• put your finger on
• put your finger on something