When someone slides a gnarly piece ofschool lunch cheese into another person's binder, and it winds up being a really big scandal for no reason and multiple people end up in lunch detention as a result.
"Hey bro, how did you guys end up getting lunch detention freshman year?"
"What, you didn't hear? It was Cheesegate, dude."
"What's Cheesegate?"
"Take a seat, my bro, I have a story to tell you..."
So called because, if unwashed, the region between the head of the penis and the uncircumcised skin could develop a sweaty, smelly residue - a bit like smelly cheese.
the act of getting cheese and placing it into your partners anal hole. Then allow your partner to put cheese into your anal hole and then proceed to rub your butt cheeks hard together until the cheese has fallen out and is shredded.