"Beautiful View"; something extremely stylish, flashy, attractive, sexy or aesthetically appealing. Can also be used alternately with/instead of "beautiful," i.e. "Viewtiful World."
Source: Viewtiful Joe (Gamecube game made by Capcom)
"That move...that one you did back there? It was...viewtiful! Tell me, what do they call you?"
"Viewtiful Joe!"
Adjective ˈvju tɪfʊl,ˈvju tɪf(ə)
- conforming to the highest standard of aesthetics; used to describe a sight or prospect that grants an adjective far superior to any other complimentary synonym.
"Wow that sky looks viewtiful now it has reached its golden hour!" , "You look absolutely viewtiful tonight"