Pretty sure it is Mutilating All Martian Enemies...
I used to support a software suite called GAP... General Accounting Package... NOONE called it that. Then they called it TechGAP... not sure what it is called today (and don't really care because that was 23 years ago)
Mame is established no point in changing it unless you want to lose all goodwill / cred and start from scratch.
Unless of course you want to go with some funky symbol and be known as the Emulator formally known as Mame...
