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The act of not acknowledging someone's attractiveness. Whether physically, emotionally, or sexually.
1: bro this girl just isn't into it as much as I am. I would treat her like my queen.

2: damn bro her loss that's she missing out on this.

1: yea she's hella sleeping on me
by Tunces October 10, 2016
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3
It means to hate on someone.
Jake: Haha you are so ugly and gay af

Me: Quit sleeping on me and or I will beat your ass little guy.
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