In the words of our eternal School Supervisor, Mr. K.L.P.D. Joseph, "Awride Chil-wren, com to the yassumblee hole for the brayer".
Wat a dumbass. No, I mean it. Dum-Bass. As in, the fish (No, Curious Mallu Person, not the guitar) Its my word of the day (thanks to my 'acquired taste'). Dum-Bass. Dum-Bass. I have been pissing off people all day with it - fellow employees, subway workers and random Middle Eastern food cart vendors (who are rather pissed off as it is, and threatened to douse me with Hot Soss). Learn it Children. Dum-Bass. emphasis on the B. Dumb-Bass. As Joseph would spell it . "Dee, You, Yem, Bee, Yay, Yes, and yet another Yes".
And for those who are more of the visual kind, here's an example of an under-rated dum-bass.