LIFER, a convict who is sentenced to transportation for life.
LIFT, to steal, pick pockets; “there’s a clock been LIFTED,” said when a watch has been stolen. The word is as old as the Border forays, and is used by Shakespere. Shoplifter is a recognised term.
LIGHT, “to be able to get a LIGHT at a house” is to get credit.
LIGHT-FEEDERS, silver spoons.
LIGHTS, a “cake,” a fool, a soft or “doughy” person.
LIGHTS, the eyes.
LIGHTNING, gin; “FLASH O’ LIGHTNING,” a glass of gin.
LIMB OF THE LAW, a lawyer, or clerk articled to that profession.
LINE, calling, trade, profession; “what LINE are you in?” “the building LINE.”
LINGO, talk, or language. Slang is termed LINGO amongst the lower orders. Italian, LINGUA.