Based - A word used when you agree with something; or when you want to recognize someone for being themselves, i.e. courageous and unique or not caring what others think. Especially common in online political slang.
Example 1: Meta-ironic
Shitposter: Posts gif of funny monkey Return to monke
Commentor: Based
Example 2: meta-ironic
4chan Anon 1: I'm going to commit hate crimes
4chan Anon 2: Based
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Biased - showing an unreasonable like or dislike for a person based on personal opinions:
The newspapers gave a very biased report of the meeting.
I think she's beautiful but then I'm biased since she's my daughter.