The word "kek" is a word originally used as "LOL" or "HAHA" but now used by the alt right pipeline as slang. Also to refer to a made up country called kekistan, like how people from America would refer themselves as "American".
Person 1: This is so kek bro look at this.
Person 2: You are a giant cornball.
Slur against someone who from Canada or somethin ion know
Person 1: where you from
Person 2: ay Iâm a rn I am located in Canada
Person 1: keeger