hairache - A headache that feels like your hair is trying to kill you,

A headache that feels like your hair is trying to kill you, often because of a stupid ponytail or a bad updo.

My hair is trying to murder me, and I’m not even exaggerating.

I did a high ponytail and now my head is on fire.

My updo is so bad it’s giving me a headache and a side of pain.