Nouns

(n)flush, gush, outpouringa sudden rapid flow (as of water)“he heard the flush of a toilet”, “there was a little gush of blood”, “she attacked him with an outpouring of words”
(n)effusion, gush, outburst, blowup, ebullitionan unrestrained expression of emotion

Verbs

(v)spurt, spirt, gush, spoutgush forth in a sudden stream or jet“water gushed forth”
(v)rave, gushpraise enthusiastically“She raved about that new restaurant”
(v)jet, gushissue in a jet; come out in a jet; stream or spring forth“Water jetted forth”, “flames were jetting out of the building”