Eproctolagniac is a term for a person who becomes sexually aroused by flatulence. An eproctolagniac may be aroused by their own flatulence, or the flatulence of another person.
Eproctolagniacs have a condition called flatulophilia or eproctophilia, which are the scientific terms for a sexual interest in flatulence.
Flatulophile is another name for an eproctolagniac.