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When you don't know the full story but you believe what you know is right.
I am assuming your favorite color is brown because your eyes are brown.
by Ouhhh July 12, 2017
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1) The process of making an ass out of you and me.

2) The mother, father and general source of all mistakes & f***-ups
Charlie went on assuming that he knew what was really going on. Boy, did he ever end up making an ass out of himself!

Did you ever notice how a lot of apologies start with or contain "But I thought that"? That's how assuming works ...
by Setupist July 29, 2018
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