This word has been popurlized by Neballer on the Graphic Design Forum. Nobody truly knows what the phrase means EXCEPT Neballer himself but that should not stop you from using this hip phrase.
boomBLAMO motherfuckers!
I don't think anyone awake has the ability to hand out the elusive e-taco.
But I can tell you..
Boomblasted (adj) is when somebody gets completely fucked up off of doing drugs. Typically refers to smoking weed, however it can be used in relation to other substances as well.