Spoke to my friend, he said that the one he thought of waas Otaku no Video, so I was pretty wrong
(Said:If I´m not very much mistaken it should´ve something to do with comedy, but I figured it had be a lot of animes about anime... are there any reaaaalllyy good ones that match my description? I think it might´ve been Genshiken since he hadn´t watched it already and seemed longing to!)