• 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.
Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. С.И. Лубенская. 2004.