something Daniel the Tiger says at the start and end of every episode of "Daniel Tiger's Neighborhood" and my 4 year old ass loved it.
Daniel the Tiger says, "Wont you be my, wont you be my, wont you be my neighbor?"
neighbor replies, "Fuck off."
A possible nickname for an orgy. Can also be used in a more formal way; testicle festival.
That party last night sure was a testy festy