Someone who is extremely addicted to his or her blackberry and who is pinging all the time. Mostly talking about senseless stuff.
''I just broke up with my boyfriend. He's such an ass.''
''Oh sorry, come again? I was just pinging to someone I met at the supermarket that I am drinking coke now."
"Gosh you're such a pingbaby.''
Pinging your significant other on Blackberry Messenger continuously so that they can use the vibrate function on their phone to massage their necks (or other body parts).
Eg:
Stephanie: Dylan hasn't given me a pingjob in ages. I think he's with another girl.
Jessica: Sucks for you, I got an out of this world pingjob last night!
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.