Acronym for "Power On Self Test", The term is used to define the sequence your computer initiates when turned on.. checking the ram and available drives.. etc
"That guy wanted to suck my dick! What a post!"
"I don't mind fucking, but it's your turn to post"
"For $5 I'll fuck you in the ass, but if ya want me to post it's gonna cost $20"
By Cher
Post
When added as a prefix to a genre of music, means "with the fun taken out"