søg på et hvilket som helst ord, for eksempel cunt:
 
1.
Opposite to someone who has a screw loose i.e a bit dopey.
You obviously had your head screwed on while you were tackling that piece of coursework.
af Simon Batt 13. januar 2005
 
2.
Someone who is "all there" in a mental sense but not necessarily in a physical one.
Steven Hawking is totally screwed on man.
af Simon Batt 12. januar 2005