In fighting terms I think chi is just a "ye olde" way of saying kinetic linking. A flow of energy.
Wanderlei "The Axe Murderer" Silva
Antonio Rodrigo "Minotauro" Nogueira
Ken "You got kicked. By a kick." Shamrock
WAR The CroCop!
I could care less = you care
I couldn't care less = you don't care