A double foul occurs when 2 players foul each other and/or there are 2 unrelated fouls during the same general play.
2
.
13.5.2
If a double foul is called when the disc is not in the air, the offense shall retain possession with a reset stall count.
3
.
13.5.3
If a double foul is called when the disc is in the air, and the double foul affects the play on the disc, the disc will go back to the thrower with a reset stall count.