Definition of groper:
(n) :
(Australia) Any of several marine fish, especially the Queensland groper or giant grouper, Epinephelus lanceolatus, of the Pacific and Indian Oceans.
(n) :
(New Zealand) hapuku wreckfish (Polyprion oxygeneios)
(n) :
(US) An employee of the Transportation Security Administration (TSA), especially one who performs inspections on passengers.