Verb
run mad (third-person singular simple present runs mad, present participle running mad, simple past ran mad, past participle run mad)
(now rare) To go mad. [from 15th c.]
Run mad as long as you choose, but do not faint. Jane Austen
The worst of madmen is a saint run mad. Alexander Pope
I hope you have read the election programme of the Labour Party...this is not socialism. It is Bolshevism run mad. Philip Snowden, 1st Viscount Snowden
Uganda’s legendary Pastor Samuel Kakande is reported to have run mad and admitted at Butabika Hopsital, in Kampala. Source: Internet
There was a show I choreographed for a company two weeks ago and I wanted to run mad. Source: Internet