A hum drum fellow; a dull tedious narrator, a bore; also a set of gentlemen, who (Bailey says) used to meet near the Charter House, or at the King's Head in St. John's-street, who had more of pleasantry, and less of mystery, than the free masons.
HUM DRUM
Meaning of HUM DRUM in English
Slang English vocab. Английский сленговый словарь. 2012