1. Marked by ostentation but often tasteless
   "a splashy half-page ad";
   - flamboyant, showy
    
2. Covered with patches of bright colour
   "The garden was splashy with colourful spring flowers"
    
3. Characterized by water flying about haphazardly
   "The children enjoyed a splashy game in the pool"

Derived forms: splashier, splashiest

See also: covered, ostentatious, posey [Brit, informal], pretentious