a condition which only effect's males and doesnt exist for females.
It is when a man or teenager who has gone through puberty goes through puberty again but backwards therefore reversing the original effect of puberty. turning the sufferer back into into a what is essentially boy. this can happen at any time in man's lifetime and is currently incurably.
it is extremely rare and most sufferers like to keep private
"look hunni that poor man has RPS"
well known sufferer's are Frankie munzz, justin timberlake and yoda