Green’s Dictionary of Slang

rofefil n.

also rouf-efil
[backsl.; lit. ‘for life’]

a life sentence.

[UK]Hotten Dict. of Modern Sl. etc. 129: ROUF-EFIL, for life, – sentence of punishment.
[UK]Hotten Sl. Dict. [as cit. 1859].
[UK]Sl. Dict.
[Aus]Sydney Sl. Dict. (2 edn) 11: Rof-efil - For life (sentence of punishment).