To show one's genitals in a public setting. A: "Did you hear that someone got busted for exposing himself at the mall?" B: "No! I'm really glad I stayed home today."
See also: expose
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
someone or an animal to a disease; to place someone or an animal near a source of a disease Try to expose your children to chicken pox while they are young. It's horrible when you are an adult. He accidentally exposed his sheep to an infected animal.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.