A sarcastic way of referring to someone who works for a not so legit 'Paranormal Research' team or agency. See dumbass, hick, loser, bafoon.
"I'm officially a "ghost buster"!"
"Oh! GO YOU! You is teh ghostbussa. You're so moving up in the world."
"Uh..."
"WHO YOU GONNA CALL? TEH GHOSTBUSSA!!!"
“Stop doing weird ass things on urban dictionary by searching up names of people, like dreamsexual or wilbursexual or ghostbursexual. Whatever you do don’t look up minors names on here either, goddamn.”