A response to be used when being yelled at, such as by a parent. The rough equivalent of "don't tase me bro!" An answer indicatingsurrender and a desire to avoid harm.
Mom: "I told you to be home by 5! How could you be late for your grandfather's birthday?!?!"
Son: "Sorry, mom! Jeez, don't light my shed on fire! I just forgot, OK?!?
By Almeria
Light Of My Life, Fire Of My Loins
To describe the love of your life, or even more than that. Your world would turn into complete darkness or turn upside down without her.
It is in the opening sentence of Lolita the novel by VladmirNabokov / Lolita the movie, in which the narrator was obsessed with his stepdaughter which he named Lolita.
It is adopted by Lana Del Rey as lyrics in her song "Off to the races".