so-sò 1v To ineffectively slash with a bolo or pound rice (as with a dull bolo or as by a young child, or as by someone who doesn’t know how). Ogso-so-on now to bibinayu. You don’t know how to pound rice well. 2A kind of wood which is used in rice fetish. 3To split lengths of bamboo so that they aren’t cut all the way through, but can be easily flattened out to form shingles or walling. 4Bamboo that has been split and flattened; shingles.