Lots of butts? This isn't TF2 related at all. Let's say it's a whole group of Medic butts.

Red spy is shocked to see a booty under his nose.

Ohhh. Sexy dom medic is looking for all you naughty frauleins!

Balloonicorn is bursting out of Medic's anus, causing Heavy quite a bit of distress.

Medic is doing extreme yoga with a small bird poking out of his anus and critiquing his work. A large wad of chewed bubblegum watches.

Awww. Merasmus is alone on his birthday.

Awww. Little Scout pokes his head out of a cardboard box. Who put him in there?

Spy is taking his saturday stroll dolled up in drag, and pocket scout is hitching a ride in his lovely purse.

That Serta Mattress sheep is very sad.

I'm not sure what's going on. But somebody got a gold star for trying.

Sniper is shocked that he has been transformed into a lickatongue.

Medic wants to know what love is.