"What a Pushkin, what a son of a bitch!" (; sometimes separated by exclamation mark instead of comma) is a catchphrase and from Alexander Pushkin's correspondence with one of his friends, poet Pyotr Vyazemsky. The phrase commonly expresses a joy after finishing one's work and appears particularly in several Russian literary works.
In a letter dated circa November 7 or beginning of October 1825 Pushkin, celebrating his finished drama Boris Godunov wrote to Vyazemsky:
That was preceded by what Pushkin wrote to Vyazemsky on July 13 of the same year: