It is very hard to tell so you should go see a doctor to make sure it is nothing serious.
a tying knot for shoe laces on shoes!
what is this knot over my eye on my forehead
That is the correct spelling used in the slang term "knothead" meaning a foolish person.
Turks head DeeJay
Turk's head montalbano
It will usually only take about one day in order for the knot to go down. You should put ice on the knot to help reduce the swelling.
The overhand knot, square knot, granny knot, lark's head knot, half hitch, and the clove hitch are all basic knots used for macrame. See the related link(s) below for more information:
The English slang word for stubborn is "bullheaded."
Yes, but a knot that is present inline in a taut rope weakens the rope. No rope or line should be used with a knot in it for this reason.
cracked head or knot or scrape
The amount of time an injury takes to heal depends on the severity of the injury. A head injury from a person hitting their head should always be seen by a doctor to insure there is no fatal threat. If a person has a knot form from hitting there head, it could take weeks to heal.
The Gordian knot of history was a complicated "Turk's Head Knot", tied with hundreds of strands of bark from the Cornel Tree. Over time, it shrank and hardened. See the links below for more information: