take leave of your senses

take leave of (one's) senses

To do something strange or outlandish. Have you taken leave of your senses? You can't just give up surgery to move upstate and paint landscapes!
See also: leave, of, sense, take
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

take leave of your senses

go mad.
See also: leave, of, sense, take
Farlex Partner Idioms Dictionary © Farlex 2017

take ˌleave of your ˈsenses

(informal, humorous) behave as if you are mad: You want €25 000 for it? Have you taken leave of your senses?I think my aunt has taken leave of her senses. She wants to make a will leaving all her money to a dogs’ home.
See also: leave, of, sense, take
Farlex Partner Idioms Dictionary © Farlex 2017
See also: