Thus, many films from the era of The Hays Code contain Camp Straight characters who are sometimes proven straight by a Last-Minute Hookup. Up until the 1970s or so (this is when people began to get more comfortable with openly gay characters as a result of social change), in many segments of society and media, men were assumed to be straight unless outed, no matter how feminine they acted.
He either has a girlfriend or only shows sexual attraction towards women despite his flamboyance. A Camp Straight is a man who exhibits some or all of the common characteristics of a Camp Gay but is clearly heterosexual.