Having sex / most likely doggy style
friend 1: man i brought this girl over last night it got crazy โ
friend 2: Were you โGetting behind the kneecapsโ crazy?
friend 1: hell yea
The following definition occurs if Carl was a weeaboo, and Paul needed therapy from the trauma. (Llamas With Hats)
"Niko Niko Ni!"
"I WILL BREAK YOUR NIKO NIKO KNEECAPS, CARL!"
To fuck standing up so long your knees give way underneath you, as though they've been busted.
And then Becca told me that she was gonna' bust your kneecaps for your birthday.
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A phrase used out of annoyance when someone says "Nico Nico Nii" one too many times.
Person 1: Nico Nico Nii!
Person 2: Nico Nico Nii!
Person 1: Nico Nico-
Person 3: Dude. If you don't stop, I'm gonna break your Nico Nico Kneecaps.
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A fuckin funnier way of saying your mother's poes
Trist:"storman your a dickhead "
Storman norman: your mother's kneecaps
Tristan:" nest your a fuckboy "
nest "your mother's kneecaps bitch
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the most powerful spell used by any mage ever. in 1792 it game ended Hitler by deleting his kneecaps and yeeting them to an alternate dimension where ugandan knuckles is still funny. if you say this to someone they will instantly lose their kneecaps and commit die.
Person: You can't defeat me mortal!
PeRsON 2: YEETUS YEETUS KNEECAP DELETUS NORMIE
Person: *commits death as the russian anthem plays with the bass boosted beyond comprehension*
if somebody says this to you run
if you like trump i will delete your kneecaps
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