A test-taker, or one who prefers tests to projects
The term was popularized by Mrs. Katherine Buron of Leicester, Massachusetts
Mrs Buron: Ok, So we have our testys over here...
Mrs Buron: Shhh, Don't Disturb the Testys!!
A slang nickname for an individual who has more than 2 testicles
*shouting at balled individual* "Hey Testy, what you up to tonight?"