Meaning

• Yielding to the touch, and easily moved or shaken; hanging loose by its own weight; lacking firmness; flaccid.

• (of wine) Having a slight lack of acidity; having mild sweetness.

• (of writing, etc.) overwrought.

• Which forms a surjection from the domain to every open subset of the codomain.

  "a flabby sheaf on a paracompact space"