Definition: 173 "Hey there! How's your day? 'Cause I'm about to be '00ed up and down for the count," said a man on the street.
In this joke, the phrase "2000 06" is being used in a way that sounds like it was written by an unskilled computer programmer. It's not clear whether this particular slang term exists or if it has been created for comedic purposes. However, I'll give you one example to keep you guessing. The punchline goes something like this: "You know what I mean? '00ed up and down' when you're so '65, your brain's in the '98!" In this example, the 00 is being used as a metaphor for something old that has passed away. The use of the phrase "2000" also adds to the unsettling feel of the sentence, implying that there is some kind of legacy or history involved with being "2000" years young.