To not put up with, tolerate or endure.
"He is was looked at in awe for his disagreement to knuckle under"
That moment when you 1v1 someone in Blox fruits and you know you are about to lose
Ah shit bro, I'm on 2000 health. I'm going under
What you would call a sandwich that, when bitten into, you realize has a disappointingly small portion of mayonnaise.
Person 1: "I was really excited to eat this sandwich, but I just realized it was under-mayonaised."
Person 2: "Man... that's rough.
A person who is subservient in the relationship based purely on sexual intercourse. They will do anything if it means getting more sex.
Similar to: Under the thumb.
Tony: "Where is Alex?"
Matt: "He's not out tonight. He's totally under the tongue by his new girlfriend"
Tony: "Too busy having sex to come hang with the guys!"
4π 3π
when a person pubic hair is so bushy it resembles an afro
i was eating out my girlfriend and i got pieces of her under fro in my teeth.
21π 30π