Definition of have (or take) a pop at in US English:

have (or take) a pop at

phrase

informal
  • Attack physically or verbally.

    • ‘I'm as guilty as the next man of taking a pop at the London Underground.’
    • ‘Even if it could only make my life, or at most those of my immediate circle, more boring, I still think it worth taking a pop at.’
    • ‘Glamorous Victoria takes a pop at the slimming industry’
    • ‘As Bea threw the vest up in the air, he pranged his pistol out and took a pop at it, missing wildly.’
    • ‘Even more important, though, Wanadoo could get the chance to take a pop at all those critics who described the company as serial complainers and whingers.’
    • ‘They then moved from turning pop into art to having a pop at the art world.’
    • ‘The point about political correctness, of course, is that it's an invaluable Aunt Sally, a flimsy paper tiger for anyone to have a pop at when they can't be bothered to come up with a proper argument to back up their position.’
    • ‘Mr Clarke said the fact that ‘people feel they can take a pop at authority’ was becoming an increasingly ‘real issue.’’
    • ‘His latest provocative intervention concerns the wanton promotion of pap, and along the way he has a pop at just about everyone.’
    • ‘And for a man who leads with his chin twice a week, he acts awfully surprised when someone takes a pop at it’