[or سَمٌّ ذِفَافٌ], (AA, T, S,) or ↓ذُفَافٌ, (M,) or both, (K,) Deadly poison: (AA, T, S, M, K:) because it kills quickly him who drinks it. (AA, T.)
2.
You say also, مَا فِيهِ ذِفَافٌ, meaning مُتَعَلَّقٌ يُتَعَلَّقٌ بِهِ [i. e. There is not in it that whereby one may retain life; or a bare sufficiency of the means of subsistence]. (K.)