The act of trying to massage another man's dick while across the table from him but coming short and caressing his leg.
Guy 1: dude! Stop knee rubbing me!

Guy 2: bro, I'm only trying to massage your dick. C'mon
by Drakeisacumguzzler March 23, 2016
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When you touch your knee, with their knee, so they get attracted to you.
Barbara: Stop Knee-rubbing me.
Robert: What? I'm not knee-rubbing you. What are you talking about?
by Rodopabapbop March 09, 2020
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