by Cumming monster January 12, 2022

when you are lying bed or a chair and your partner starting putting their knee between your legs and start putting putting their hands on your throat as your partner starts putting their knee more closer between your legs. Your partner starts to kissing all your neck and leaving love marks on your neck. As they pull your throat closer to their face. Just few inches to your face and start teasing you.
by your moms gf January 23, 2022

Billy:Don't make me Knee cap slap you Jimmy! I won't hesitate!
Jimmy: go away Billy before I smack ya
Billy: Omae wa mou shindieru
Jimmy: nani?!
Billy:*KNEE CAP SLAP*
Jimmy: go away Billy before I smack ya
Billy: Omae wa mou shindieru
Jimmy: nani?!
Billy:*KNEE CAP SLAP*
by NotYourBoo22 November 2, 2018

by JaiRed801 October 30, 2023

by Tiny dancer at the girls forum August 9, 2016

Similar to a bad hair day, but instead of having nasty looking hair, the victim has nasty looking knees. May result in dryness, stubble from shaving, rashes and/or birthmarks.
Most often used by women.
Most often used by women.
by Hazzat April 23, 2010

Telling someone that you suck at something. Also used as a sexual reference to a blowjob (Oral sex).
1) "I'm joining the Basketball team" "Dude, Your Knees Are Red, you won't make it" 2)"Hey whose that pretty girl over there?" "Who? Kim? Her Knees Are Red from so many guys she's given head to."
by alex231 May 23, 2011
