Noun. A term to decribe an huge burp, so insanely intense, that it makes the person shake their face back and forth rapidly while burping.
Luke: BLLLLLLLLLLEEEEGGGGHHHHHHH!!!
John: Holy shit are you okay dude?
Luke: Oh yeah, that was just a face shaker.
John: Holy shit are you okay dude?
Luke: Oh yeah, that was just a face shaker.
by JohnHinkleH! March 19, 2010
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