Definitions by The Doctor 10

Devil's Trap 

It's a trap that catches demons.

Dude! make a Devil's Trap.

Devil's Trap by The Doctor 10 October 29, 2014

Raxacoricofallipitorious 

It is the planet the Slytheen come from.

The Slytheen are from the planet of Raxacoricofallipitorious.

Raxacoricofallipitorious by The Doctor 10 April 27, 2014