a phenomenon that occurs when two or more "bros" expel gases from the rectum in a harmonized manner creating a symphony of flatulations.
My bro-stack, Will, farted an octave lower than my fart. Together our farts sounded like Oak Ridge Boys classical song Elvira. That was totally an orchestrated bro-fart.
A particularly hot, sulfurous fart that smells suspiciously like broccoli even though you haven't eaten broccoli for days, even weeks. Not to be confused with a "Sulfur Strut," a broccoli fart is usually an SBD special.