This is a term first used by Nick from Nick's strength and power in late 2020. This refers to the lighting which is used by bodybuilders and gym goers when they take selfies and trying to show off their physics. This lighting along with the camera angle often make people look more muscular and shredded and it is not a real reflection of what their body looks in real life.
When you are dying of Covid, but you want to convince people that you are as healthy as you were 20 years ago.
President Trump was gasplighting the nation with his manly stamina and indomitable immune system via an onslaught of self-indulgent, faux-patriotic, poorly edited propaganda, but all anyone noticed was him struggling to breathe.
The Goonlight is the optimal lighting used by bodybuilders to enhance the appearance of their physiques. This is often top-down lighting, casting shadows in a way that enhances the appearance of muscular definition. This term was first used by "Hey guys, it's Nick from Nick's Strength and Power and I have a COUPLE of interesting stories for you today."
girl #1: Check out those diamonds! You should get them, you just got your sweet sixteen B-Day money!
girl #2: No way, I live by the Holly GolightlyPhilosophy.