===MB, Mb, mB or mb may refer to:=== Megabit (Mb, or properly: Mbit), a unit of information used, for example, to quantify computer memory or storage capacity Megabyte (MB), a unit of information used, for example, to quantify computer memory or storage capacity MB may refer to: Morning Boner (see Nocturnal penile tumescence) Bachelor of Medicine, an academic degree Mandalay Bay, a hotel and casino in Las Vegas Manitoba, Canada Myrtle Beach, South Carolina Marching band Medal of Braver… (More on Mb)