When a man extremely high on meth puts a furrybuttplug tail in his anus and then he proceeds to jam a shock collar prong into his cock and turns it up to the max while he starts to munt.
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.