A balrog is a sexual act made popular by Ruby Tuesdays wait staff. The act involves a man ejaculating within a hot dog bun and, in-turn, the hot dog bun being inserted into a vagina.
The act of charging at someone and punching them squarely in the face, usually while screaming at the top of one's lungs. Named after the boxer from Street Fighter
The balroq is a very large, winged, demon-looking creature.
It is best known from the movie "The Lord of the Rings: The Fellowship of the Ring," in which Gandolf the Gray battles a balroq on the Bridge of Khazad-dûm.
"suddenly it the Balrog drew itself up to a great height, and its wings were spread from wall to wall..."
The Lord of the Rings Book II, Chapter 5 "The Bridge of Khazad-dûm".