Basically means taking a complete guess at something.
Take a stab in the dark as to what the answer to this Physics question.
Used a phrase. Or where one is really bad at something.
I can't fix a laptop to save my life.
I can't dance to save my life.
I can't sing to save my life.
I can't draw to save my life.
To save my life - Where one simply is really bad at something. Or used as a phrase.
I can't make cookies to save my life.
I can't play netball to save my life.
The cops, the police.
I will rang 911/999/112 for the Po-Po.
The Po-Po are catching bank robbers.
Tool - Where one does something stupid.
Or one is an idiot.
You such a tool!
Stop being such a tool!
Chesterfield is a town in Derbyshire.
I'm going to Chesterfield
This means to stay out of people's business
Please keep ya nose out of this conversation this doesn't concern you what so ever.