¿Qué significa “pegar no pé” ?

See a translation

The literal meaning of the expression is "to grab on someone's foot", but it's got two idiomatic connotations:

(1) PEGAR NO PÉ = TO PICK/GET ON
Used to describe the action of repeatedly singling someone out for blame or criticism in a way perceived to be unfair.

Ex:
• "Eu odeio meu professor de economia porque ele vive pegando no meu pé."
= "I hate my economics teacher because he keeps picking on me."

• "Para de pegar no meu pé, cansei disso!"
= "Stop getting on me, I got tired of it!"

_____

(2) PEGAR NO PÉ = TO NAG
Used to describe the action of constantly annoying a person, usually with questions, requests or complaints.

Ex:
• "Minha colega de quarto vive pegando no meu pé para que eu deixe nosso quarto organizado."
= "My roomate keeps nagging me to keep our dorm tidy."

• "Eu tirei um fim de semana para visitar os meus pais, e agora eles estão pegando no meu pé para eu ir dormir porque já está tarde."
= "I took a weekend off to visit my parents, and now they're nagging me to go to sleep because it's late."