The act of twisting one's nipples
until one reaches sexual climax
. Originally inspired from a 2012 Under Armour ad campaign in which Cam Newton, at the time quarterback of NFL team Carolina Panthers, was portrayed, as far as anyone outside the marketing department could see, performing the aforementioned deed.
Once one has performed a Supercam, one has Supercome.
"What the hell has happened to your nipples, man? They are blue! And not even a good blue, they're like a really dark, almost black kind of purple."
"I did a Supercam."
"Oh, I see."
"You know in the ad, he goes 'AAAAAAAHH!!!'?"
"I did too."
"I almost did when I saw them just now."