"Heavy camouflage" refers to a very strong and effective way of hiding or disguising something so that it is difficult to see or understand. Full definition
This new version, while still wearing heavy camouflage in the recent spy photos captured, keeps the crazy cool look of the concept version. (chicagomitsubishi.coronetmitsubishi.com)
The sedan is under heavy camouflage, but the automaker can't hide the model's general look. (motor1.com)
The rear lights and rear bumper will undoubtedly be updated as well, considering they are covered in heavy camouflage on this test model. (topspeed.com)