Definition of perms:
(v) :
To give hair a perm, using heat, chemicals etc.
(n) :
(informal) A permutation.
(n) :
A combination of outcomes (not a permutation) that a gambler bets on in the football pools.
(n) :
(computing) Permission
(n) :
A city, the administrative center of Perm Krai, Russia.
(n) :
A krai of Russia, near the Ural Mountains.