To drink excessively. Derived from the Russian slang term for binge-drinking.
I've lost the entire weekend. That was one hell of a Zapoy!
by JJ McClure November 15, 2006
An activity in which one subjects themselves to two or more days of continuous drunkenness, sometimes lasting up to a week. Also, it is the Roman Alphabet spelling of "Запой", the Russian word for binge drinking.
One study found that among Russian men ages 25–54, about 10% had at least one episode of zapoy in the past year.
by vagabond686 April 27, 2010