What is You Know It!?
1.
To totally disregard what someone is saying or said, and just agree with them completely whether or not they're right.
Example 1
Guy A : Sometimes I wonder if I should even be alive...
Guy B : You know it!
Example 2
Wife : Honey, I'm pregnant, and I don't think it's yours..
Husband : You know it!
Example 3
Guy A : Should I get a...
Guy B : You know it!
Guy A : But you didn't even let me finish...
Guy B : You know it!
See
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1.
the act of sucking your guys dick and getting him off letting him cum in your mouth. you then store his juices in your cheek like a chip..
1.
Another internet gross-out video following in the steps of 2 girls 1 cup, 4 girls fingerpaint, and countless others. Video shows a naked..