(N.) 1. An attempt to explore someone's moral position on marijuana through subtle references to its use
2. Any off handed and/or abstract reference to marijuana
"I met a chick at the bar the other night but wasn't sure if she smoked, so I dropped a couple of subtle reeferences..."
"I think my boss smokes weed. I've been picking up a lot of reeferences from them..."
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.