Omegaverse is very much based on animal-like mating.
A knot is an anatomical occurrence on some animal's penises (like a canine for example) used to keep themselves inside of their mate.
At the base of an Alpha's d*ck, it swells to form a large protuberance, which is known as a knott. The purpose of a knot is to lock an omega and alpha together during ejuculation to increase the chances of pregnancy.
The alpha's penis swells a bit, but the swelling goes down after some time. It keeps him locked into the omega and this normally happens to ensure pregnancy. This happens with dogs too, so if you ever see two doggos butt to butt the male probably knotted the female.
Oof >.> okay. Thanks everyone!
Wth does knotted mean?