Don't judge a book by its cover basically means that you shouldn't judge before you know, you should't judge because 9 times out of 10 the reality is different than you think
Old dude: He has dreads and tattoos, he must be dangerous!
Youngin: Don't judge a book by its cover.
by Anonymousmf123 May 22, 2020
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A very viral challenge where you pretended to do something and basically say sike, I'm not. It's honelsty very stupid.
*pretends to Cut hair*

Wait. Did you really think I was going to cut my hair?

Well, your wrong.

Don't judge a book by its cover.
by Sophomore at BHS October 21, 2017
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Used as an exclamation against those who seek to take the moral highground and pass judgement, when they have no such right to pass judgement
(random person living life of quiet desperation): "that is sick that you fucked your sister"
(God's lonely man): "Don't you judge me!"
by Phil Bailey April 14, 2005
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