lif‧er /ˈlaɪfə $ -ər/ noun [countable]
[Word Family: noun: life, lifelessness, lifer; adjective: lifeless, lifelike, lifelong; adverb: lifelessly]
informal someone who has been sent to prison for the rest of their life

[TahlilGaran] Dictionary of Contemporary English ▲

LIFER
Lazy Ignorant Fellow Expecting Retirement (common military slang, polite form)  
Living In Fantasy Escaping Reality  
Living in Fantasy Evading Responsibility

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲