'Gross Things' is a relative term!!
Couldn't resist replying to this thread, brings up great memories. Courtesy of my Navy days, I have had sushi, caviar (from many fish sources), haggis (well made, it is excellent), snapping turtle, water moccasin, rattlesnake, fried chicken feet, spiced duck tongues, deep fried locusts, frog legs, snails, 'popcorn' (fried maggots - no, they were better than you think), sweetbreads, crawfish, foie gras, fermented shark (that was gross), and smoked sheep's head. Would like to try batter fried tarantula, but have to go to Viet Nam for that. Amusingly, I don't consider any of these really 'gross', but have 'issues' with 'lamb fries', tripe, internal organs, Liver (save foie gras), and any brains...
(BTW, there is a cookbook: "Unmentionable Cuisines", that lists 'unusual' foods from around the globe - a good read. Lists brains and lungs along with snails and frog legs??) :eek: Cheers!!