To get absolutely drunk (usually off of hard liquor). Below the drunken state of feeling sick.
This term derives from the first name of Serbian tennis player Janko Tipseravic
Mike: Yo, what's up with your buddy?
Geoffrey: He's absolutely janko'ed. He had way to many jager bombs tonight.
by RuruRommers October 26, 2011
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Acting in a way that's associated with English people. Acting like a British Stereotype
That guy over there really is janko'ing, isn't he? In that Bowler hat and with that umbrella of his, and his fancy talking.
by Manilonko October 9, 2023
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