A quid pro quo phrase informal
A favor done in exchange for another favor.
Mary agreed to help Jack with his homework as a quid pro quo for keeping her past secret.
You cook for me, and I'll repair your car- quid pro quo.
To argue with somebody
To destroy something for something else
1. Used when you accept something as an exchange in return for something especially as part of a compromise
2. Do something alternately
To replace, or exchange something (roles, places, actions)
To be a substitute for someone or something, but of lower quality.
This phrase has been used in English since the late 1500s.
Used to describe someone or something that is very cool or good
Wow, your cap is really funky fresh.