Used both in the sense of exaggerated theatrical style and as an attributive adjective meaning ‘relating to a camp or camping’.
Definitionen
Deliberately exaggerated and theatrical in style, typically for humorous effect. The film's costumes were wonderfully camp, all sequins and feathers.
Relating to a camp or camping; suitable for use at a camp (attributive). They packed their camp stove and lantern before heading into the forest.