Permanent scarring of the knees due to given blow jobs for a prolonged period of time.
You know that girl definitely has bj knees! She has been known for a long time around here as the queen of blow jobs.
by lalaloveless June 26, 2016
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The act of a police officer placing their knee on the neck of a person restrained on the ground thereby cutting off oxygen. Knee-necking for prolonged periods results in the person on the ground losing consciousness and, in some cases, ceasing to breath.
Kyle: Did you see what happened to that guy in Minneapolis?
Roger: No man, what happened?
Kyle: The cops knee-necked him and he died.
Roger: Damn, that's messed up.
by MasterBlaster666 May 29, 2020
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When a girl has given enough blowjobs, and her knees are red and bruised from being on them so often. Can also happen after a single very long blowjob.

Can also occur after bumping into things, falling over etc.
1) "That girl has a s serious case of blowjob knees"

2) "I fell while drunk yesterday, I look like I have blowjob knees"
by Cap'n Crimson July 06, 2015
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Scrollers Knee - The definition of the round red patches you find just above the knee caps after resting ones elbows on them whilst taking a shit but scrolling on a Smartphone or Tablet in the toilet.
"fackin hell Tommy, I cant walk straight, got right scrollers knee"

"i'm not surprised Jim, you were in the shitter for hours..."
by Abdullah3669 October 13, 2015
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A girl will have red knees if she has been giving blowjobs to a lot of guys, or to one guy repeatedly.
"Damn, have you seen Esther. She got them red knees."

"Yeah, her and Johann have been going nonstop."
by RedKneesEsther January 21, 2015
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verb

1. A formal act of submission; esp. political

2. A ceremonial endorsement of another person; concession
Taylor could have kept his position in Norton's cabinet, but he couldn't swallow his pride and refused to bend the knee.
by Furbag November 14, 2016
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Man #1: Man, I hurt my arm knee.
Man #2: Bro, it's called an elbow...
by aboxofraisins November 30, 2013
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