A piece of equipment that has already been modified by Chuck to allow for successful work to be carried out.
Bob – What did you do to get this working?
Billy Bob – It’s been Chuckified
Bob – What!
Billy Bob – We made a Chuckification to it and its now all good.
A far more severe instance of being thrown in front of a bus.
You meet a beautiful girl and just before you get that #, your female friend comes up and says "I don't think your wife would appreciate this". This then results in the girl slapping you and leaving. Said female friend performed a bus chuck.