Merriam-Webster's Collegiate® Dictionary, 11th Edition
GUSH
I. verb
Etymology: Middle English guschen
Date: 15th century
intransitive verb to issue copiously or violently, to emit a sudden copious flow, to make an effusive display of affection or enthusiasm , transitive verb to emit in a copious free flow, to say or write effusively, gushingly adverb
II. noun
Date: circa 1682
1. a sudden outpouring, something emitted in a gushing forth, an effusive display or outpouring