the intentional exposure of one's body's privates in a manner that gives offense against accepted or prescribed behavior.
Origin of indecent exposure
First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the offence of indecently exposing parts of one's body in public, esp the genitals
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012