(n). 1. When a male gets physically aroused while suffering from swamp ass, his member is known as "swamp thing."
2. The event of being sexually aroused while suffering from swamp ass.
The Swamp Thing, a comic-book based movie made in 1982, tells a heroic tale of a story. Anyways, it is a super good awesome movie, as is its sequel, The Return of The Swamp Thing made in 1989. Both are must sees.