Much like post whore, only that it sounds like a person who prostitutes on message boards, rather than one who floods and rapes threads.
The post slut's signature had her phone number in it.
by Bastardized Bottomburp October 03, 2003
3 more definitions
One who had out grown there slutty ways.
'Matt's in a new post-slut phase'
by RoxyStarr July 16, 2005
A woman or in a few cases men who have sex for post cereal.
"Anna is a post slut."
by PizzimpMcBozule February 17, 2003