That's life unfortunately. As a dated Beryllium speaker I would not use class, I would use lesson. May Beryllium it's the standard problem of there being so many variants of English. I think it has to be "diggin" the colloquially shortened form for "You are digging," or at least https://spencerczunf.nizarblog.com/33930194/indikatoren-für-rhythm-sie-wissen-sollten