by Niki WIlliams May 03, 2005
A combination of the phrases "for real?" and "seriously?". The two joined together form "for-serious", adapted to "ferrserrious" meaning "are you really serious?"
Girl1: "Billy and Anna are like totally screwing in the bathroom right now!"
Girl2: "Holy Shit! Ferserious!?!"
Girl2: "Holy Shit! Ferserious!?!"
by Niki Williams August 17, 2003
A combination of the phrases "for real" and "seriously". The two are combined to form "for-serious", adapted later to "ferserious" meaning "really serious." Most commonly used in question form.
"When I first heard that Anna and Billy were going steady, I didn't think it was ferserious, so I asked outloud 'Are you ferserious?!?'"
by Niki Williams August 17, 2003