Loudly expelling putrid smelling gas from the depths of one’s bowels in the company of others.
Doug: Hey man, you ready to go play some cards?
Alexander: Sure just don't sit by me though.
Alexander: (FFFRRRVVVVRRRTTTTTT) cause my Butts Talking loud and proud tonight.
Doug: Jesus, what did you eat?
Alexander: bean burrito, side of beans, brussel sprouts and broccoli.