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8.
Man to man sleepover. Completely straight. Guys sleeping over at each others' house.
Dude 1: hey yo wanna come have a manover tonight?
Dude 2: yahhhhh mann.
by loserrrrrrrrrr23432423 September 15, 2010
 
9.
The male version of a sleepover. Also known as high school guys falling asleep drunk in their best friends' basements or playing poker instead of getting caught by their parents.
Girl: Do guys have sleepovers?
Guy: Hell no! But I had a man-over last night!
by Latin Flava Flav January 08, 2007