From my understanding...it's when a ball(sorta?) Forms at the end of your penis while you're inside someone so that you or they can't pull away and this way increase the possibility of the omega (or any other pregnatable partner getting ...well, pregnant)
Fun fact! Animals like dogs and wolves has a knot
*male
The more u know
aaa thank you :D
I've seen them in omegaverses while they we're banging, but I don't know what it means, someone pls explain to me TT TT