Has the same meaning as "you fool'.

Origin comes from Dutch word "pannekoek" which means a pancake but is also used as swearing against people who developed an immunity to words such as idiot, moron, fool etc.
Hey Max, You pancake!! Move away from that car.
by Jijweet August 19, 2011
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Another way to tell someone you love them without them knowing what you mean.
Person 1: I’ll pancake you with a waffle maker.
Person 2: What?
by Naughtical Seal April 11, 2023
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