Where does the term boner come from?

The term "boner" is believed to have originated in the early 20th century as American slang. It initially referred to a blunder or mistake, possibly stemming from the Word "bonehead," which denotes a foolish person. Over time, it evolved to refer to an erection, likely due to the humorous connotation associated with the Word "bone." The term has since become widely recognized in popular culture, particularly in informal contexts.