Taking responsibility for one's own actions so as not to be morally wrong in principle or practice.
Originally coined by the Scots during The Highland Potato Famine of the 19th century, a famous period in Highland and Scottish history (1846 to roughly 1856).
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.