In Leviticus 11:7 and Matthew 7:6, this signifies filthy loves of those in the hells of adulterers. (Apocalypse Explained 1044[4]) Swine signify people who love only worldly riches. (Apocalypse Revealed 727)

In Isaiah 65:4, this signifies appropriation of infernal evils. (Apocalypse Explained 659[2]) 'Swine' or 'hogs' correspond to the life of greed and its delight.

(Reference: Arcana Coelestia 1742)

820. People who during their lifetime have performed robberies, and those involved in acts of piracy, prefer stinking reeking urine to any other kind of fluid. To themselves they also seem to dwell among such things, and also among foul-smelling cesspools. A certain robber approached me, gnashing his teeth. The sound of teeth gnashing was clearly heard as of someone [on earth], which was surprising seeing that those who are there have no teeth. He confessed that he would far rather live among urinous filth than beside clear waters, and that it was the stink of urine that pleased him. He said he would rather stay in the urinous runs than anywhere else, and make his home there.