the smell that fills the room after a night of hot steamy sex. Similar to sleep funk.
When they walked out of that room, I could smell the sex funk pouring out from it.
by ndizzle89 May 02, 2009
(adjective) Used to describe the robust aroma of post sexual activity.
My bed smelled like sexfunk after I banged your mother last night.
by ECS, MTL April 27, 2008