Someone who is clearly not interested in the person they're conversing with. Therefore, Instead of being honest about this, they'll often make up excuses as to how busy they weren't because they don't want to text that person back.
Haha, I'm sorry, I'm a bad texter. I promise I wanna talk to you though.
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.