Sleeping with two separate partners within one 24 hour period. This is most commonly done without either partner knowing about the other.
Bro, I had a douchebag's threesome after you left the party last week.
1. having a threesome with your friends aka friends with benefits
2. friend group of 3
"hey, you guys down for a friendship-threesome?"
"just say your horny David, no one says 'friendship-threesome'."
"Andy, I know you've been bottoming the most lately but don't take that out on David."
April 18th men or women give your spouse a threesome day.
April 18th National threesome day honey let’s have a little fun.
A day when a girl gets tag-teamed by two guys
It’s National Threesome Day, let’s go have a threesome!
When your desperate to hook up with your baby momma, your kid is sleeping in your bed, and you still fuck.
We were so desperate the other night, we had an infant threesome. It’s cool though, she never woke up or even moved