Wiktionary
lose your head
vb. (alternative form of lose one's head English)
Usage examples of "lose your head".
See, you are dragging to prison: see, you are going to lose your head!
Fred I am worried with all that money you won't lose your head, there are a lot of clever dishonest people (she means women, he said) about these days, I brought you up as well as I could and if you do wrong it's the same as if I did.