A long lost crisp which had not seen the light until you began to take your sofa apart looking for your change you've dropped, your keys or your phone. The Sofa Crisp's are usually Soft, soggy texture yet dry and crunchy and very dull in flavour.
adj.- "Having a sleak/slender appearance while simultaneously looking very neat or proper". The word carries a very fashion forward context and also implies an undeniable sexiness.