Her 'ears pricked (up)' when they said her name. = She 'pricked up her ears' [=she started to listen carefully] when they said her name.
The photographs of the flood victims 'pricked my conscience' [=made me feel guilty] and I knew I had to do something to help.
The nurse gave my finger a (little) 'prick' (with a needle) and squeezed out a drop of blood.
(..) No. You're the disappointment. You could have been DA yourself. You are twice the lawyer than any of the pricks lined up to run against me. But you sold out. You help rich people keep their money. That's all you do. I stack my value to society against yours and I win by a mile. (..)2011 TvShow: Suits Title: Rules of the Game Season: 1 Episode 11