to leak / to divulge / to leave out by mistake / waterclock or hourglass (old)
漏
=
氵
+
尸
+
雨
:
Sir Lancelot (l) accidentally leaked (漏) a ghost (尸) from a water bottle (氵) in the outhouse's bathroom (ou4). Promptly the ghosts starts to have it rain (雨) all over the place to annoy the people.