The phrase "a bored boy" is correct and usable in written English.
It can be used to describe a boy who is feeling uninterested or lacking in engagement with his current activities.
Example: "The teacher noticed a bored boy in the back of the classroom, doodling in his notebook instead of paying attention."
Alternatives: "an uninterested boy" or "a disinterested boy."
Constantly referring to Chelmsford as London, Biebs slopes around the stage truculently, a bored boy-king briefly forced to slum it with us peasants to collect his regal stipend.
In the Michelob Light spot, by the Leap Partnership in Chicago, a unit of Leapnet, a bored bag boy carelessly tosses groceries into a bag.
The boy who cried wolf is one of the most popular Aesop fables about a bored little boy who "cried wolf" while watching sheep to get villagers to come entertain him.
Local residents speculate the shooter — many call him "the BB gun sniper" — must have been a bored teenage boy because firing a BB gun is the kind of thing that bored teenage boys do.
Both showed Ramsay's singular grasp of visual storytelling: her ability to suggest a state of mind through luminous images: a bored young boy wrapping himself in net curtains, a helium balloon carrying a child's dead pet rat upwards into a blue sky, a dazed girl walking across a barren landscape towards the setting sun.
Around the other side of the pole, there were two young girls from Thailand eating ice cream, a bored Mexican boy waiting for his mother to finish shopping, and an Ecuadorean man waiting for his daughter, who is married to a Jew but was shopping for Christmas.
Pay less and you'll get a piss poor performance from a bored old boy". .
A sofa-full of bored boys watch, taking turns with the bat as a break from the Wii.
Idling in a nearby corner, his mouth stretched in the kind of broad yawn one associates with bored boys and hounds, Michael Whittaker, a 19-year-old model from New Zealand, rubbed his hand along the arm of his garment and said, "Feel this".
