You have so much gratitude towards someone that you are forever in debt.
Preston was cooler than Ben for like a week and he had all of these fun things to do. So now Ben is forever in debtitude for being able to participate.
Preston is forever indebtitude to Zach for his brithday shots.
Sam is indebtitude for his butt.
I will be indebtitude to you for putting lemon in my water.
When some resigns or retires from a job, they are on "eternity leave". This can also refer to someone who has passed away, especially someone who worked somewhere for a long time, retired/resigned, then passed away later.
Oh I'm sorry, you didn't know that Kelly is on eternity leave? She resigned and moved to Hawaii!
With regrets I would like to inform you that my boss is officially on eternity leave. I will never see or hear them again. Ever.
The hypothetical man (often a sinistercharacter who decided not to go to boot camp) that is doing your girlfriend/wife while you are on deployment overseas.
Ain't no use in goin home,
Jody's got your girl and gone.
Ain't no use in goin back,
Jody's got your Cadillac,
Ain't no use in feeling blue,
Jody's took your checkbook too.