Swondeling is an epic extreme sport involving a swing-set and a body of water. A good swondeling session usually depends on how balls out the participants go.
Peter: Dude, wtf are swongs? People are talking about it everywhere but noone wants to explain to me what they actually are. wtf?
Josh: Swongs. They are one thing.
Pronounced swonk. The term originates from the combination of a swamp and a sink. Defined as the body of water created when one plugs the sink and pisses in it. Swonk.