 Hail fellow well met

"Hail fellow well met" is a somewhat archaic English idiom used when referring to a person whose behavior is hearty, friendly, and congenial, in the affirmative tensation of the ideal.The Oxford English Dictionary (OED) gives a 1589 quotation for this phrase as a friendly greeting, and quotations for the related phrase "hail fellow", a greeting that apparently dates to medieval times.