a whack at (something)
a whack at (something)
A chance to try something; an attempt to do or undertake something. I can't get the lid off this jar for the life of me. Do you want to have a whack at it? I'm going to have a whack at doing my own taxes this year, to save on the cost of hiring an accountant. Let me have a whack at getting the car started.
See also: whack
Farlex Dictionary of Idioms.
- a crack at (someone or something)
 - a/the feel of (something)
 - (I) wouldn't (do something) if I were you
 - all righty
 - a straw will show which way the wind blows
 - all right
 - (you) wanna make something of it?
 - all for the best
 - a thing of the past
 - a slew of (something)