A block is a unit of a town or city, defined as the area between streets. If you're a new kid, you're new there. It's just a way of saying someone's new.
New KID on the block....
New Kid on the Block was created on 1992-11-12.
Hey Dude - 1989 New Kid on the Block - 3.4 was released on: USA: 1990
The Simpsons - 1989 New Kid on the Block 4-8 is rated/received certificates of: Argentina:Atp
Out of This World - 1987 New Kid on the Block 4-1 was released on: USA: 6 October 1990
Going Places - 1990 New Kid on the Block 1-14 was released on: USA: 18 January 1991
Perfect Strangers - 1986 New Kid on the Block 6-2 was released on: USA: 5 October 1990
9 to 5 - 1982 New Kid on the Block 1-1 was released on: USA: 25 March 1982
College Options Man - 2012 The New Kid on the Block - 1.3 was released on: USA: 3 August 2012
The idiom "like a kid in a candy store" means to feel extremely excited, overwhelmed, and delighted, similar to how a child would feel when given the freedom to choose any candy they want in a candy store.
Jonathan Knight is openly gay.
College Options Man - 2012 The New Kid on the Block 1-3 was released on: USA: 3 August 2012