1 definition by pattiwordsmith

Using your friends' Facebook posts and comments to sell or promote one's own products or services. This is often in direct competition to the original poster.
Original post: "I just started a Mary Kay business! Please buy my self-tanner."

Comment: "Mary Kary is alright, but I use Avon's and it works best. Here is the link to my site..."

Original post(er): "Hey don't facejack me!"
by pattiwordsmith March 28, 2011
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