Gossip and backbiting.
Dream dictionary: Croak dream meanings
(Frog) Hearing the croaking sound of a frog in a dream means death. (See Sound of animals)
Deficit among friends, dispute, annoyance. Hear them croak, distrust of those who are telling you things.
…If you dream of seeing a large frog, or a number of frogs, or of hearing frogs croak, it is a good omen as regards your health. To dream of catching frogs alive, without killing them, foretells some piece of good fortune; but if you kill them it is a sign some accident will befall you. Lucky lottery dream numbers – 22, 3….