From WordNet (r) 3.0 (2006) [wn]:
gushing
adj 1: flowing profusely; "a gushing hydrant"; "pouring flood
waters" [syn: gushing, pouring]
2: uttered with unrestrained enthusiasm; "a novel told in burbly
panting tones" [syn: burbling, burbly, effusive,
gushing]
3: extravagantly demonstrative; "insincere and effusive
demonstrations of sentimental friendship"; "a large gushing
female"; "write unrestrained and gushy poetry" [syn:
effusive, {gushing(a)}, gushy]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.
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He smote the rock that the waters gushed out. --Ps
ixxviii 20.
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A sea of blood gushed from the gaping wound.
--Spenser.
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2. To make a sentimental or untimely exhibition of affection;
to display enthusiasm in a silly, demonstrative manner.
[Colloq.]
[1913 Webster]