When Someone

[Purple_Popple]

Or something 'does your head in' what is meant by this saying?

[mccfluff]

if i use it, the person is annoying me.

generally speaking i can't understand why they are doing what they are doing, hence doing my head in

[Baldric]

http://www.urbandictionary.com/define.php?term=doing%20my%20head%20in

[pixie373]

I think "to do in" means to beat someone up, so "doing your brain/head in" is the same meaning. Generally someone very irritating.

[SirOracle]

" Driving you nuts"

[vodcaice]

there is a few meanings to this i use this a lot its when either some one come's knows it all and you can't get a word in for them or you have had enough of something going wrong its got on your nerve's if it wont work right you either pack it up and leave it have a break from it then try again if it dosen't work then take it to some one that know's how to sort it