Ro><or 

To be great at an activity

Derived from the swedish ravings of Sweden-Is-Gratest the most eccentric TFC player ever.

Can also be used with other words such as wubbage and CMNP

'OMG I RO><oR!!!!!'

'I got ro><or CMNP last night from Requiem'

Ro><or by Rue September 1, 2004

ro><0rz

bastardization of rocks, or 1337 speak version of rocks

OH man! I just got a ps2! this ro><0rz!

ro><0rz by Nate Dimit October 14, 2003