FR is short for FUCKED ROOTS.
They say that kanji are ‘windows into the past,’ meaning that since they look like the things they depict, we can see the values of the ancient society that made them. However, in today’s politically correct times, that window is often as embarrassing as the screen of an old Western TV playing reruns of Sambo and Amos and Andy. This is evident in kanji like wife (奥さん), which famously translates to, ‘back of the house person,’ or 乙, which has two meanings: ’second place’ and ‘girl.’ Oh no you di’int!!!!