Used by African Americans when playing against them in some sort of online gaming. The term itself makes no sense to any other race, but African Americans use it frequently to express the lag they might be getting from you, or lag you might be encountering.
SurfNstuff92: Dude I'm frickin lagging
BIGBOYPLAYA802: ay nigga you got a Walmart connection.
LEBRON23: HAAA NIGGA BITCH AZZ WALMART NIGGA
Industrial shit is a term used to refer to one's internet connection, preferably one that is terrible. Industrial internet in itself, is the brand of internet not commercialized, and is the cheapest type available. It's usually only sold to industries or other big office buildings.
Joe1241: This shit is laggy as hell.
IrishGANGSTA: ay but uh dats dat industrial shit.
LATINO123ESSAY: yea du it's dat industrial.