person who says they are going to do somthing but then don't do it and give an acuse That bitch said she was goin to come over my house, but she bluffed me and said she had to wash clothes. See bluffed, bluffing, bluffer, lair, bluff 2. A person who is both Black and Buff (strong). Taking the Bl- from "black" and the -uff" from "buff."

Definition of bluff bluff verb to lie. Hey, don't bluff.

idiom (bluff (one's) way) To deceive someone or accomplish something by making a false display.