Entry 2 senses · 2 variants Webster, 1913 Flong · IPA /flɔŋ/ imp. & p. p. n. 01 imp. & p. p. imp. & p. p. of Fling. 1. imp. & p. p. of Fling.obs. See: Fling 02 n. A compressed mass of paper sheets, forming a matrix or mold for stereotype plates. 1. A compressed mass of paper sheets, forming a matrix or mold for stereotype plates.(Stereotyping)