put an end to (oneself)
To commit suicide. If you've had thoughts of putting an end to yourself, you should talk to someone.
put an end to
Also, put a stop to. Terminate, abolish, as in It's time they put an end to their feud, or The police chief vowed to put a stop to prostitution. This locution is more emphatic than the plain verbs end or stop. [Mid-1600s]
put an ˈend to yourself
, put an ˈend to it all
kill yourself: She told me that sometimes she felt so bad that she just felt like putting an end to it all.