The unexpected phenomenon in which a particularly resonant or powerful fart, usually occurring in bed, brings about an intense and euphoric orgasm from one's partner.
“She couldn’t believe it, but his flatugasm had her laughing and curling her toes at the same time.”
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.