Avoir.
Avoir Martel en tête (French). To be distracted. Martel is a hammer, hence distraction, torment, torture.
Avoir Martel en tête (French). To be distracted. Martel is a hammer, hence distraction, torment, torture.
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.