(idiomatic) astonished, amazed

(idiomatic, informal, chiefly US Southern) To have too much to say; talk too much; run at the mouth; to speak one's mind or voice one's opinion about a matter; blabber

(idiomatic) To suddenly lose a contest one seemed very likely to win, especially through mistakes or bad judgment.

(idiomatic) To suddenly win a contest when it appears that loss is a foregone conclusion, to succeed in an endeavor through reversal of fortune, skill, effort, or good judgment.

simple past tense and past participle of snatch victory from the jaws of defeat

present participle of snatch defeat from the jaws of victory