noun A shapeless or amorphous mass; a vague shape or amount, especially of a liquid or semisolid substance; a clump, group or collection that lacks definite shape.
noun The partially inflated air bag used as a trampoline in the sport of blobbing.
noun A score of zero.
noun A small freshwater fish, of the species Cottus bairdii; the miller's thumb.
noun A bright yellow acellular slime mold, of the species Physarum polycephalum.
noun A large cloud of gas. Ellipsis of extended Lyman-Alpha blob, a huge body of gas that may be the precursor to a galaxy.
noun Ellipsis of extended Lyman-Alpha blob, a huge body of gas that may be the precursor to a galaxy.