End up like the calf running round the rick

n.

Heard in Wexford

Someone who will get what is coming to them in a comically unpleasant way.

In use

You'll end up like the calf running round the rick now you will - you'll be running that hard when you shit it'll end up on your face!

Posh English

You shall ultimately resemble the bovine infant dashing about the hayrick, sprinting at such velocity that your evacuation shall land directly upon your countenance.