13d is making my grades go down like crazy and all my friends haven't seen me because i haven't come out of my basement in forever
"a game which sucks up time, energy, and a whole lot of writing skills that can be otherwise used for more productive purposes
"13d is making my grades go down like crazy and all my friends haven't seen me because i haven't come out of my basement in forever" What is the definition of "13d"?