What is Can You Not??
1.
A short phrase utilized primarily by highly intelligent and sophisticated human beings, especially those with two X chromosomes. Unlike the also popular "Can you not...", this unique phrase ends immedietely after "not" and may be phrased both as a question and as a statement. The speaker should assume that whomever he/she is conversing with is completely aware of the misdemeanor.
Matthew has just provoked Jackie and she is mildly annoyed and amused (but mostly annoyed).
Jackie & Eva (in unison): Can you not?
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2.
A phrase you use when someone is annyoing the fuck out of you and you want them to stop
*Someone singing the Peanut Butter Jelly Time song*
Can you not?
See