hail-fellow-well-met
Very friendly, often obnoxiously or disingenuously so. I don't think George is as nice as he seems—he just strikes me as hail-fellow-well-met.
hail-fellow-well-met
showing excessive familiarity. 1979 Steven Levenkron The Best Little Girl in the World Harold was accustomed to hail-fellow-well-met salesmen and deferential secretaries and even irate accountants.
hail fellow well met
On easy, congenial terms; also, superficial friendliness. This expression, which has a quintessentially Victorian ring, actually dates from the sixteenth century. Presumably it began as a greeting, but by 1550 it was being used figuratively and so appeared in Thomas Becon’s New Catechisme (“They would be ‘hail fellow well met’ with him”).