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.

In astronomy, a large cloud of gas. In particular, an extended Lyman-Alpha blob is a huge body of gas that may be the precursor to a galaxy.

A bubble; a bleb.

To drop in the form of a blob or blobs

To drop a blob or blobs onto, cover with blobs.

To fall in the form of a blob or blobs.