There are certain acronyms for SPAM displayed below:
SPAM Search Pattern Assessment Model
SPAM Service Provisioning and Account Management
SPAM Shelter, Portable, Air Mobile
SPAM Shelter, Protective, Aircraft Maintenance
SPAM Shoulder of Pork & Ham (Hormel canned pork developed in 1937)
SPAM Some Place Around Montana / Missouri / Massachusetts / Mississippi / Maine :-)
SPAM Space Planning and Management (University of Missouri - Columbia)
SPAM Spiced Ham (Hormel canned pork developed in 1937)
SPAM Stop Pornography and Abusive Marketing Act
SPAM Strike Package and Associated Messages (Tactical Tomahawk Weapon Control System)
SPAM Sh*tting prevents Anal Monsters.
But.. since this is the internet age.. we now refer to SPAM as unsolicited e-mails.. or Porn

though.. I now remember Monty Python.. the one where John Cleese is a waiter that serves nothing but SPAM.. and he just keeps repeating SPAM during that entire skit... kind of how SPAM mail works!