{v.} To be constantly complaining about one's poverty; keep saying how one cannot afford the better things in life. * /Uncle Jack indulges in an awful lot of poor-mouthing, but we know that he has half a million dollars stashed away in a secret savings account./
POOR-MOUTH
Meaning of POOR-MOUTH in English
Slang English vocab. Английский сленговый словарь. 2012