When your pants slowly become sucked into the crevice between your ass cheeks as you’re walking, eventually actually fully disappearing into the anal cavity until you are naked from the waist down.
I was actually horrified enough when I had experienced just regular puckerpants, but when I later endured the tragic megapuckerpants, I had been out to dinner with my in-laws and felt that I wanted to practically die from the humiliation!
MAGA stands for “Make America Great Again, which is Trump’s election slogan. A cuck means that your lover got stolen. You get the word “MAGACUCK” when you combine the two. You use it on people who thought Trump would get another 4 more years, but he lost big time.
Used as an extreme of the word "Fuck". You would use it in any situation where you would use the word "Fuck". Or just simply insert it into any sentence replacing the noun, adjective, or verb. Makes 'em know you ain't megafucking kidding.