The word nurdle, sometimes spelled nerdle, can be used to denote various “small bits of things,” such as styrofoam packing material or detritus in one’s pockets. It may be related to the word nodule. Like thingamabob and whatsit...
nurdle n. a grain, pellet, granule, or other small piece of a material, especially as part of a large quantity (such as foam kernels used as packing material); (in pronunciation-based spellings) a nodule; a quantity of a gel or semi-solid; a thing...