Yes, Although it was more group sex than a threesome.
At the beginning it felt awkward for myself (being the 5th wheel with 2 other MF couples).
It wasn't planned or anything, tail end of a weekend of debauchery with everyone coming down horny as hell I suppose and for some reason 2 of the girls were in my bedroom. They were getting real touch feely started kissing etc and both went down on me with their boyfriends in the lounge room. One of them disappeared to grab the guys, I blew as they walked in the door and they had a laugh and it went from pretty smoothly from there.
Everyone was cool with it. Was good times.
I was surprised with my mates bi side that I didn't know about, I don't go that way and we left each other alone.
Amazing what you can achieve when all parts trust and mutually respect each other.
This was repeated again once without one of the other dudes.
What are your thoughts on things like chocolate body paint, whipped cream etc etc