An out of town conference that you attend for work.
John: Remember that White Collar Sleepover we went to last year? We got so drunk, man.
Porter: You mean the International Tourism and Travel Show, the largest 3 day conference in the world?
John: Uch, nobody remembers seminars or conferences, sleepovers are forever.
A sleepover party involving violent mass intercourse where participants are dressed as donkeys.
Toryn had a great time at the donkey orgy sleepover
when two people fall asleep over facetime together
Diana and Steve had a facetime sleepover because they could not see each other in person
A dyke sleepover is when a group of lesbians have a sleepover and do lesbian things.
Karina, Jackie, Sylvia, and Nana had a dyke sleepover and did dyke elated things.
Edel is a sleepover ruins she makes the fun into boring stuff (so sad )
Edel is a sleepover ruiner