In what context it was written?
Normal skates for ice skating are called 'noren'. 'Rot' means something like 'stupid' or 'fucked up'.
So probably his skated are not up to standard.
But it could also be: rotNoren. In this case Noren are Norwegians.
So this could be one 'noor':
But also this could be a 'Noor':
noor = singular
noren = plural