The full version of that pic:
It's from a thread on Kotaku where people discuss how their ending turned out for them. For me, I had my female Shepard macking on Jacob most of the game (cause my Shepard is black, thought it was appropriate, even dubbed him 'chocolate thunder' privately.) Then, out of the blue, Garrus (my fave from the first game), is like 'hey, we can blow off steam together, if you know what I mean.' And, well, curiosity took over. I mean, Turian sex? Really? This I gotta see. I dumped Jacob (he took it hard, oh well, he was boring, and Garrus is more Turian anyway.) Of course, you see nothing, but it was hilarious to hear Mordin give advice, and Garrus have to look up how it's done (along with being a huge dork with some of the worst metaphors ever, like how he likes to 'savor the last shot before popping the heat sink.')
I think on my next playthrough I am gonna try for Thane or Tali (if possible, does she even swing that way?) Hell, it would be awesome to seduce Mordin, since I get the feeling the comedy there would be endless.
Regardless, at least I only killed 1 of my team at the end (Legion got shot in the face, oops.) Gonna play through the last mission one more time to redo that choice (I could have saved him with a better team lead), then work on getting level 30, then do New Game +.