When more than 2 males have a night over at someones house.
Hey guys, man-over at Brett's, it involves spooning and cleveland steamers.
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!