So ridiculously short, that it's hard to understand what's going on. Pretty sure, they meant, he beat 'em up. Kids tend to exaggerate. High school or not.
@Jet yes, the chapters are very short and the author tends to rush everything to the point that it tends to get very confusing as to what’s going on (even for us). If you have any questions feel free to join our discord and I can answer some.