The act of self pleasure while listening to dubstep or any other bass heavy music.
Toby: Did you see Danny at that Excision concert last night?
Luke: Yeah man, he was totally masterbassing all over the place.
Toby: And when that bass dropped?
Luke: Yeah...I'm pretty sure Danny had to change his pants afterward.
so what are you doing ?
- masterbaking
masterbating, who the hell masterbates in fruit filled muffins !?
- masterBAKING mom, it's for the master bakers.
Johnny said: "Yo cuz, whered you go last night?" Darvin replied: "After seeing 2 girls make out, I had to run inside to roll a joint and start masterbaking to calm down." Johnny replied: "Damn"