The act of crossing the 2 streams of alcohol and marijuana; a.k.a. the process of getting cross faded.
"Bro, how is Kyle already stumbling? The party just started!"

"Yea man, we were pregaming with blunts beforehand. Plus he took 3 whiskey shots as soon as he showed up."

"Ohhh makes sense, that fool's straight Ghostbustering it tonight!"
by Eddie Bang July 18, 2014
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Cumming on a “friend’s” pillow without them knowing.
I haven’t Diamond him in a while, he may be ghostbustering on our pillows!
by FirehouseShit April 09, 2021
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When you really have to take a shit and all that comes out is a huge fart and a bright light and all you can hear is "ZOOL"
"Man I just had a huge Ghostbusters Shit"

"Oh really? Who you gonna call about that?"
by Blacky Whacky January 10, 2012
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Ghostbusting refers to the act of searching the floor for possible pieces of drugs that may have been dropped while they were being consumed. Typically seen with users of crack cocaine but sometimes powder cocaine, which is a white substance. They are looking for something that is almost never there.
Don't be ghostbusting in my house, if you can't handle running out!
by kalikila zelewski October 27, 2018
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