When someone is remarkable at the action of getting it "popped" or being the "baddest b*****". It is also is used in conjunction with describing beauty or attractiveness. To be rojas you must be part of the highest echelon or coolness, and attractiveness. It can also be used in context when describing ones affinity for astrological signs or being very ticklish.
"damn you see that girl...shorty was ROJASSS!!! right there...go try to bag"
by Cue baby February 15, 2009