lock Yahoo!! id for 12 hour

That's easy

Log in the id by wrong password (advice 1)

the yahoo messenger will give you error messege

press try again

Reply that More than 20 s

the id will be auto locked for 12 hours
you can lock some one account
A
lot of account lockers programs that are out do not work and yahoo has
them patched. Ok this is step by step on how you can lock someones
account in yahoo. Go to login page on yahoo &Then put the name/id
in that you wish to lock.Type in any password you like and try to log
it in, keep trying to log it in.Then you will get a page come up asking
to type in **** password a long with your password and yahoo Id. keep
trying to log it in and put in the **** password to.Then keep tryinglog
it in and do not forget to put in the fake password and the ****
password,You will have to do this like ten to twenty times or more,Then
you will get a page informing you that.....(The account is locked), BIG