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Being insulted, put down, or verbally rejected by someone who, up to that point, you would have considered an online friend. The attack is sudden, sharp, and unexpected--like someone sliding a stiletto in between the fourth and fifth rib, they had to get up close and personal to do it. Interknifing is extremely painful because it usually involves someone you thought trustworthy.
"Dude, why are you so down today?"

"I just got interknifed by Jane ."

"Seriously? On a quilting forum?"

"She said I have terrible taste and quilt like a drugged monkey."

"That's harsh!"
by orinoco womble May 22, 2016
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