A portmanteau of the names Charles and Erik, portraying the undeniable love between Charles Xavier and Erik Lehnsherr.
Specifically, from the film X-Men: First Class.
Example 1:
Cherik shipper: How did over two hours of film go by without a Cherik make-out scene?
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Example 2:
Cherik shipper: Cherik need to get a room with all the eye fucking they're doing.