Board Thread:ROBLOX help and discussion/@comment-27013499-20131222201939/@comment-4812386-20150106070915

It is not an acronym or abbreviation. It comes from the canned meat brand of that name, which was mentioned, I believe, in Monty Python's Flying Circus, in a sketch where all the items on a menu contained spam. The term became popular on AOL and Usenet and eventually got more popular than other terms like flooding. I only remember so much.