Bullhell is a word similar to bullsh*t, but it is said with more surprise. You would use when someone says something that catches you off guard, or when someone says something that you know to be untrue.
Jim: "Hey Janet I heard that at the Christmas party last year you flashed everyone."
Janet: "Bullhell, I ain't that kinda girl!'
Janet: "Bullhell, I ain't that kinda girl!'
by nyf1228 March 11, 2011