точно Мамай прошел

• КАК <БУДТО, СЛОВНО, ТОЧНО> МАМАЙ ПРОШЕЛ highly coll

[как etc + VPsubj; these forms only; fixed WO]

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⇒ there is complete disorder, terrible devastation (in some place):

- it's as if an army had marched through (some place);

- (some place) looks like a war zone;

- (ift) complete havoc (in some place);

- (some place) looks as if (like) it's been hit (struck) by a tornado.

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← From the name of the Tartar khan Mamai, who led a devastating invasion of Russia in the 14th cent.