Brorundum Share definition Flag The single element of which a true bro is made. According to my calculations you are now 95% Brorundum, bro! Whoooo! Yeaaaaaaaaaaah!! Whoooooooo!!! Brorundum by MisterUD April 20, 2015 0 0 Get merch Get the Brorundum mug. Buy Now — $32.95 See more merch
