Less should be used as an antonym to mo'. When one needs to emphasize someone's dislike, distaste, or displeasure in terms of something. Mo and less are best when used in close proximity.
If one is using less by itself, as in -- "Less!" it means "Man, that's so lame!!"
I less want to go to class today, because I mo' need to sleep off this hangover.
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(noun): short for homeless, aka. bum
Stay close together, less is all over this neighborhood.
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1. When you understand someone fully and clearly and you don't need any of their further explanation.
Tyler: Hey, dude. Did you know that I saw Carrie leaving my house party with Drew?
Ronald: Oh, really? Say less; I'm going to have a real, long talk with her.
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