expose oneself

English

expose oneself (third-person singular simple present exposes oneself, present participle exposing oneself, simple past and past participle exposed oneself)

(idiomatic, euphemistic) To display one's genitalia in a public place or in other inappropriate circumstances.
The police arrested the man who had exposed himself in public.
- 1985 May 5, “Offender's One-way Ticket Stirs 2-city Feud”, in New York Times, retrieved 27 April 2014:
  On Thursday the police in Miami Beach arrested the man, Weston J. Hill, 44 years old, charging him with indecent exposure. . . . He had been charged with exposing himself to children.
- 1998 September 18, “Bill & Monica: The Intern Serves the Pizza”, in Time, retrieved 27 April 2014:
  While the President was on the telephone, according to Ms. Lewinsky, "he unzipped his pants and exposed himself," and she performed oral sex.
- 2013 September 20, Holly Baxter, “Is masturbating in public a laughing matter?”, in The Guardian, UK:
  Elsewhere in Sweden recently, two underage girls pressed charges when a teenage boy exposed himself to them at a lake. The court decided, despite the victims' testimonies, that the offence was "not of a sexual nature" and dismissed it.
(idiomatic) To put oneself in a vulnerable position.
The soldiers exposed themselves by moving into unfamiliar territory.

display one's genitalia

put oneself in a vulerable position