Wise up

exp.

Heard in Derry

An instruction to cop on, stop acting the fool, and talk some sense.

In use

You're absolutely melting my brain, go on and wise up!

Posh English

You are completely unsettling my wits, pray see reason at once!

  • Wise acreA shrewd or sensible person.
  • Cop onUsually said to someone who is acting stupidly or has said something stupid. One can add…
  • Get a gripAn exhortation to return to reality, exercise common sense or wise up.
  • Acting the goulBehaving like a fool or acting the eejit.
  • Cod actingMessing around or acting the fool.
  • Pig actingMessing about, acting the fool, or behaving boisterously.