An intense and debilitating physiological pain that starts at the forehead. The pain usually penetrates the rest of the skull within minutes.
These traumatising audio waves typically emanate from a loud, dense and obnoxious office colleague who bellows out offensive, half-witted sweeping generalisations for everyone to hear.
Eg. If she doesn’t stop yapping, she’s going to give me a foreache!
Eg. “Dear God, please be quiet for a minute, you’re giving me a foreache!”