.The act of one eating their lunch/dinner at their work desk instead of taking the official break and go to the kitchen
Also can mean taking little bites of your lunch before your official lunch break.
"Yo bro, are you going to your breaknow?"
"Nah, I think I'm just gonna do some Shariffing"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi