A Big Mac is a hamburger from the fast food chain, McDonald's.Big Mac may also mean:
Big Mac , a character from the children's television series, TUGS
Big Mac, a character from the UK medical drama Casualty
Big Mac , a third season episode of TV series M*A*S*H, in this case, "Big Mac" refers to General Douglas MacArthur
A nickname for Mark McGwire, a former Major League Baseball player for the Oakland Athletics and St. Louis Cardinals
Big Mac , a supercomputer created in 2003 by Virginia Tech
Macintosh 512K, an early Apple Macintosh computer with 512K of RAM, as opposed to the original model's 128K. ("Fat Mac" was more common)
Big Media Access Control, the term given to a 100 Mbit Ethernet adapter used in Sun Microsystems workstations and servers. The interface name is shown as 'be when one views the interfaces via the ifconfig command
Big Mac, a computer game series on the Commodore 64 platform
Big Mac , a character from the fictional McDonaldland world, created as part of the McDonald's advertising campaign