いたちの道切り、鼬の道切り
いたちのみちきり
itachinomichikiri
JMdict entry #2591920
-
expressions (phrases, clauses, etc.)
not to write to or visit someone; road of the weasel (it is believed that if someone blocks the path a weasel, he will never take that path again)
see: いたちの道