A term that can be used to describe a very toxic internet thread.
People associate popcorn with watching movies. Movies are known for being entertaining. A toxic internet thread is known for, again, being very toxic. So toxic, that reading it is like watching a movie, because both are entertaining. Just like what you do while watching a movie, you read a toxic thread, with popcorn. Popcorn comes from either a microwave, or a popcorn machine. Hence, the Popcorn Machine slang.
(Tip: Stay away from them.)
People associate popcorn with watching movies. Movies are known for being entertaining. A toxic internet thread is known for, again, being very toxic. So toxic, that reading it is like watching a movie, because both are entertaining. Just like what you do while watching a movie, you read a toxic thread, with popcorn. Popcorn comes from either a microwave, or a popcorn machine. Hence, the Popcorn Machine slang.
(Tip: Stay away from them.)
1st person: I really like the song "Minorities in my water park"! Let's read the comments.
2nd person: Don't! It's like a popcorn machine.
1st person: Dunno what you mean by that.
1st person: {reads comments} Yeah, you're right.
2nd person: Told 'ya!
2nd person: Don't! It's like a popcorn machine.
1st person: Dunno what you mean by that.
1st person: {reads comments} Yeah, you're right.
2nd person: Told 'ya!
by cdcdncid July 30, 2019
Get the popcorn machinemug. Thunder that certainly sounds like popcorn in a microwave. The building up of suspense such as crackling, popping, loud, etc.
by campm August 18, 2022
Get the Popcorn Thundermug. 
Honest and wholesome, just like the popcorn that bears its name. Popcorn, Indiana, tender little kernels of joy for you and your family. It’s delicious, ready-to-eat fun in a big red bag that’s perfect for sharing. We live for Popcorn.
by SPrice1980 May 3, 2023
Get the Popcorn, Indianamug. it is ramony macarony and patipaksiri combined and usually happens when they are at the movie theater
by asiansano February 21, 2023
Get the behind the popcorn bucketmug. by Anneboleynpan1522 September 9, 2020
Get the Sweaty popcornmug. What happens when your feet sweat too much. This usually happens to people who play video games for 8+ hours a day. And it smells like popcorn after it's been sitting out for a few days.
by methaddict666 March 30, 2022
Get the popcorn footmug.