From Wikipedia: In German, Gesundheit ( [to your] "Health") is said after a sneeze. This is sometimes used in the United States. The expression arrived in America with early German immigrants, such as the Pennsylvania Dutch, and doubtless passed into local English usage in areas with substantial German-speaking populations. 1 The expression is first widely attested in American English as of ...
FWIW :-) Saint Walburga, a Benedictine nun and healer in the 8th century, is the patron saint of coughing, and a hiccup is (at least etymologically) a kind of cough. So perhaps you could invoke her name? Walburga! Sort of like Gesundheit!
Both the German gesundheit and the Yiddish zay gezunt (phonetical English transliteration; in Yiddish it would be rendered "זײַ געזונט") have made significant inroads into English. You are more likely to hear the Yiddish in places that had a significant Ashkenazi immigrant population (particularly certain areas of New York City), but both are more-or-less English now (or at least ...
"God bless you" "Gesundheit" And others. But with a fart you laugh, deride or come up with something clever to say on the spot. Is there a commonly known polite word or phrase that says "I acknowledge your flatulence" similar to things said after sneezing?
Although this word is facing fierce competition from the German Gesundheit, DARE reports from its many interviews that scat's meaning of "begone" is frequently used in the South from Florida to Texas (heaviest in Kentucky) as "reference to the belief that the devil enters the body when a person sneezes."