The origin of this word had never occurred to me:
pre[pos[ter[ous 7prc p9s4t!r !s, pri38
adj.
L praeposterus < prae, before + posterus, following: see POSTERIOR
1 orig., with the first last and the last first; inverted
2 so contrary to nature, reason, or common sense as to be laughable; absurd; ridiculous