T-perm definitions

(Rubik's Cube) A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped.
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Origin of t-perm

The wrong pieces form a T. "Perm" means permutation.