She turned into such a gusher during her acceptance speech, with tears and praise flowing nonstop.

gusher 来自动词 gush（喷涌、滔滔不绝地说）加上名词后缀 -er，原指"喷油井"，这里比喻"情感充沛、滔滔不绝表达的人"。gusher 在句中形象地描述了一个情绪激动、言语和泪水不断涌出的人。