fall by
verb- To visit unexpectedly; to arrive for a visit without an invitation. · You have to fall by her house this afternoon.
From the library
He called to her and earnestly begged her to come lower down, lest she fall by some mishap; and he added that the meadows lay where he was standing, and that the herbage was most tender.
“To fall,” continued King Louis, who at the first glance had sounded the abyss on which the monarchy hung suspended,—“to fall, and learn of that fall by telegraph!
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