Origin: Two friends were talking one said, "That is bisturbing." The other said, "Did you just say 'bisturbing'?" She said, "NO! I SAID DISTURBING." he said, "No, you but a b in front of it." the word was born and we run around all day saying "THAT SHITS BISTURBIN DAWG!"
Meaning "cool" and or awesome mainly used in gangsta style.
Say it like (BIS-tur-bin)