Guttersnipe

n.

Heard in Cork and Mayo

When your mother wants you to feel as low as possible! after doing something trivial, silly, nasty, etc. Commonly used on the north side of the city back in the 70s and early 80s.

In use

See you boy! well your nothing more than a little Gutter Snipe and thats all you ever will be boy

Posh English

See here, my boy, you are nothing more than a wretched little street urchin and that is all you shall ever become.

Same phrase, other counties