Definitions by bonnylea
m-bye
Common colloquialism in rural western United States. Means "mhmm, bye" "um, bye" "ok, bye," "goodbye" or simply "bye." The "M" sound is used as a space filler and there is no pause between The "M" and "bye" sounds. Normally used as a polite, informal way to end a phone conversation, but is occassionally used in-person, as well.