gush

Short definition from Wiktionary

Noun

1. 1
   A sudden rapid outflow.

Verb

1. 1
   To flow forth suddenly, in great volume.
2. 2
   To send (something) flowing forth suddenly in great volume.
3. 3
   To ejaculate during orgasm.
4. 4
   To make an excessive display of enthusiasm, praise, or sentiment.