(Pronounced “Cheef”) Lying or exaggerating about something in a harmless manner.
Bill: My p.nis is 11 inches long
Bob: Wow that’s huge girls must love you
Bill: I know it’s great!!!
Bob: your so lucky man
Bill: haha that was actually a kief
Bob: for fk sake, you really managed to kief me there. I had no idea you were kiefing I fully believed you.