verb: to present a question, or to request something.
Misused by stupid British soccer commentators as a substitute for job, task, or assignment. The same commentators also butcher the language by using "take" in place of control, take possession, or catch.
He will ask me what age I am.
I can ask her for coffee.
He has to stop Messi from scoring tonight: that's a big ask.
The goalkeeper comes for the ball: that's a good take.