It is illegal for a man to be sexually aroused in public.
IC 35-45-4 Chapter 4. Indecent Acts and Prostitution IC 35-45-4-1 Sec. 1. (a) A person who knowingly or intentionally, in a public place: (1) engages in sexual intercourse; (2) engages in deviate sexual conduct; (3) appears in a state of nudity; or (4) fondles the person’s genitals or the genitals of another person; commits public…
Males may not dress as a female unless a special permit is obtained from the sheriff.
17-31 Male dressing as female. No man or boy shall dress as a girl or woman without a permit from the sheriff, except for the purpose of amusement, show or drama. (Code 1959, § 4237.1)