subs. (colloquial).The expression of affected or extravagant sentiment.
1883. The Saturday Review, 3 Feb., p. 148, c. 2. Mr. Pictons style is pleasant and easy, as long as he allows himself to be natural, and does not fall into GUSH.
1886. Church Times, 17 Sept. Not mere GUSH or oratorical flip-flap.
Verb (colloquial).To overflow with extravagant or affected sentiment.
1883. M. E. BRADDON, The Golden Calf, ch. vii. Yes, and you saw much of each other, and you became heart-friends, GUSHED Miss Wolf, beaming benevolently at Brian with her pale green orbs.