The act of using private or public swimming pools without the knowledge of the owners or when the pool is closed to the public, especially during the night. There wasn't anything to do in our small Mississippi town after dark other than go pool-hopping with our friends.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. sneaking into private or public swimming pools at night or during the off-hours. The kids went pool-hopping, and one of them nearly drowned.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.