Imbecility

[Sarah]

The quality of being imbecile; weakness; feebleness, esp. ofmind.Cruelty . . . argues not only a depravedness of nature, but also ameanness of courage and imbecility of mind. Sir W. Temple.

[Sarah]

(n). The act of undertaking the most bullheaded and, for lack of a better term, stupid and/or childish/reckless action without the benefit chemical enhancement (i.e. drunkenness, intoxication by any means, or taking part in a Triple Dog Dare).
Synonymous with: Public stupidity, blatant idiocy, conscious neglect of personal integrity.