A slang manner of expressing the phrase: "Coming for you." Originating from the epic N64 game Mario Kart when a seeker shell is released by a player. The phrase is then uttered as a warning that people in front are about to get owned in the a.
Player with shell: (After release) COMIN' FO JA'S!!!
Player in front: Oh shit, i'm fucked!
Ja fool (A.K.A Ja Rule) is some faggot ass rapper who thinks he's tupac, and thinks hes better than eminem, dmx, and 50 cent. He had his career ruined and hasnt rapped since 2003.
Guy 1: I really wanna bring ja fool to the real ghetto and bring some bloods to shoot him.