A rude or insulting comment. I think she's mad at you for the dirty crack you made about her new hairdo.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a rude remark. Who made that dirty crack? Another dirty crack like that and I'll leave.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
n. a rude remark. Another dirty crack like that and I’ll leave.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.