RCTA

RCTA is where someone believes they can change a race. RCTA people most likely belong in a mental institute for believing they can change their ethnicity, RCTA stands for 'race change to another' and the slur to call these 'so smart' people is 'ranny'.

person 1: Im RCTA! American to Jamacian!
person 2: what is that?
person 1: its race change to another, it means i now identify as a jamacian black person!
person 2: that is disgusting..? leave me alone.