vulgar slang Pain in the testicles said to occur when one is sexually aroused but does not ejaculate. Don't let any guy complaining of hot rocks pressure you into having sex, OK?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See blue balls
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.