A person who deliberately or negligently posts a serious comment on a once humorous thread, and by this action, kills the conversation for all involved.
P1 - ungrateful gigantic geese, eat your own kind.
P2 - bahahahaha!! you ignorant anorexic beetle!!
P1 - well you're a selfish over-sized moth fool, the crazy goose tried to kill me!!
P2 - I'm sure its not the first thing that's tried to kill you.
The act of two males (or possibly two females) having a conversation while taking shits in adjacent stalls. Generally frowned upon in most social circles.
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.