Head-to-toe modeling, as coined by supermodel Tyra Banks on her show America's Next Top Model. It refers to focusing on all parts of the body while modeling.
For more examples of Tyraspeak, see "smize", "tension", and "Ty-over".
Tyra: I need a little bit more H2T. What does that mean?
Nicole (C13): Umm...
Tyra: Head. To. Toe. Modeling.