Okay, so you know how sometimes you hear music that has a steady beat, like in a song you might clap your hands or tap your foot to? Well, breakcore is a type of music that doesn't have a steady beat, it's kind of like the beat is constantly changing and jumping around.
Imagine if you were playing with toys, and suddenly you took all the pieces and threw them in the air so they landed in different places. That's kind of what breakcore does with the beats in a song.
It also has a lot of different sounds at the same time, which can be like when you're in a really busy place and you hear a lot of different noises all at once. Sometimes it can even sound like the music is glitching or breaking apart, but that's just part of the style.
Breakcore is a really energetic and intense type of music, kind of like if you were running really fast or playing a game that was really exciting!