From The Collaborative International Dictionary of English v.0.48:
Gush \Gush\ (g[u^]sh), v. i. [imp. & p. p. Gushed (g[u^]sht); p. pr. & vb. n. Gushing.] [OE. guschen, cf. Icel. gusa and gjsa, also D. gucsen; perh. akin to AS. ge['o]tan to pour, G. giessen, Goth. giutan, E. gut. Cf. Found to cast.] [1913 Webster] 1. To issue with violence and rapidity, as a fluid; to rush forth as a fluid from confinement; to flow copiously. [1913 Webster]
He smote the rock that the waters gushed out. --Ps ixxviii 20. [1913 Webster]
A sea of blood gushed from the gaping wound. --Spenser. [1913 Webster]
2. To make a sentimental or untimely exhibition of affection; to display enthusiasm in a silly, demonstrative manner. [Colloq.] [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Gushing \Gush"ing\, a. 1. Rushing forth with violence, as a fluid; flowing copiously; as, gushing waters. "Gushing blood." --Milton. [1913 Webster]
2. Emitting copiously, as tears or words; weakly and unreservedly demonstrative in matters of affection; sentimental. [Colloq.] [1913 Webster]