Possible Clues:

• Flows forth fiercely
• Overdoes the praise
• Little Gustave Flaubert wrote glowingly about her
• Lays on the praise
• Raves (about)
• Talks effusively
• Spews like a geyser
• Spews, as oil
• Displays some histrionics
• Oohs and aahs (over)