TO DISCONNECT (DC) A GAME IT'S SIMPLE:
When somebody votes you, vote YES and then leave the game immediately.
TO STOP SOMEBODY DISCONNECTING A GAME:
To stop somebody disconnecting a game don't vote them until the voting timer gets to 3 seconds.
I'M TELLING YOU THIS SO IF YOU NEED TO MAKE ROOM TO MAKE A GAME YOU CAN, NOT TO ANNOY PEOPLE BY GOING IN GAMES AND DISCONNECTING THEM ON PURPOSE.