Slang. Describes the situation in which a person, most commonly a UNIX user, posts pornography of a guy humping a girl on his account's website, gets the admin in trouble, and gets his account deleted. Refers to the original offense in which the person's username was actually "posthump"
A delivery service for chick pea based dips. The service is generally rather poor, with the posted product taking so long to arrive that it generally arrives after the recipient's death.
I ordered some hummus from posthummus last night; sadly they didn't give an express delivery option, so it may have to be used at my funeral.