Top Definition
A young male, generally from pre-pubescent to adolescent stage, who displays exceptional intelligence and/or handiness with electronics and science. This is the most common type of young genius and is distinguished by using their inventions, usually death rays or attack robots, for wrongdoing.
That evil boy genius just had one of his robots steal my grilled cheese!
by 'Annony' June 01, 2005
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.