stefnir Share definition Flag Stefnir is the more evolved version of its predecessors called viktor. Bigger dick, huger balls and way better at mma Woah did you hear about stefnir? Hes so much better then the viktor stefnir by Fmemsmc f November 23, 2021 0 0 Get merch Get the stefnir mug. Buy Now — $32.95 See more merch