A shy boy. Often loved by all females in the neighborhood secretely. Basically, a shy man-whore.
Aw, David's the boy next door!
A teenage male, very wholesome and unassuming, and maintains an innocence about him. Very sincere, sometimes shy, sometimes confiedent and rarely arrogant. A sweet boy, someone who girls are proud to bring home to their parents because of his charm, demeanor and sincerity. Very innocent when it comes to romance, almost always a virgin.
Topher Grace in "Win A Date With Tad Hamilton," a great example of a boy next door
A shy, very nice guy. Usually blonde and/or blue-eyed. Can be portrayed as innocent but is secretly deceiving.
"Look at Peter"
"I know, he is the boy next door!"