L.W.O.P., n. — Green’s Dictionary of Slang

L.W.O.P. n.

[pron. ‘el-wop’; abbr. life without parole]

(US prison) a life sentence with no possibility of parole.

2000		Other Side of the Wall: Prisoner’s Dict. July 🌐 L.W.O.P.: Life Without Possibility of Parole.
2017		T. Pluck Bad Boy Boogie [ebook] [S]entencing a juvenile to LWOP was cruel and unusual punishment.
2020		D. Winslow ‘Broken’ in Broken 28: ‘That gets you an LWOP. Life without parole’.