buka noun3 •(Nigeria) an inexpensive, quick, road-side restaurant serving Nigerian food.I made a noncommittal noise and looked round the buka. It was a Saturday afternoon. The place was empty, with the bare plastic tables showing oil and grease stains. — 2012 •The short introduction to a gamelan piece, generally played by a single instrument in a free rhythm, with the kendhang coming in on the last few notes to set the tempo. •A kangaroo-skin cloak traditionally worn by the Noongar people of southwestern Australia. formsbukas