Elliot's term for a woman's vagina.
This is the name that nurse Carla Espinosa uses for JD
The name Dr. Cox uses to address Elliot.
Elliot uses frick to express anger or frustration. Other derivates of frick include double frick and mother frick, which makes it obvious that frick is a TV-friendly replacement for the "F word".
The nickname Bob Kelso gives to Turk