(1):

(v. i.) To make a sentimental or untimely exhibition of affection; to display enthusiasm in a silly, demonstrative manner.

(2):

(v. t.) A sudden and violent issue of a fluid from an inclosed plase; an emission of a liquid in a large quantity, and with force; the fluid thus emitted; a rapid outpouring of anything; as, a gush of song from a bird.

(3):

(v. i.) To issue with violence and rapidity, as a fluid; to rush forth as a fluid from confinement; to flow copiously.

(4):

(v. t.) A sentimental exhibition of affection or enthusiasm, etc.; effusive display of sentiment.