Used to refer to someone who has no general concept of anything... Ever! Such people regularly spit out such heroin soaked random gibberish and ideas, you find yourself standing in confused aw! And just laugh!
Fry brain: if u watch too much 3d tv, when u take the glasses off everything will be in 3d.
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.