show oneself
verb1
Euphemistic To expose one's genitalia, especially in an inappropriate setting; to expose oneself.
- He told her to show herself to him.
2
Used other than figuratively or idiomatically: see show, oneself.
- There was a prevailing fear of the effect of large undertakings becoming monopolistic, and Parliament showed itself unwilling to sanction any large groupings.1948 January and February, “British Railways”, in Railway Magazine, page 1: