STAMPEDE n. 2 definitions
A wild, headlong scamper, or running away, of a number of animals; usually caused by fright; hence, any sudden flight or dispersion, as of a crowd or an army in consequence of a panic. She and her husband would join in the general stampede. W. Black.
THAT pron.
As adverb: To such a degree; so; as, he was that frightened he could say nothing. [Archaic or in illiteral use.] All that, everything of that kind; all that sort. With singing, laughing, ogling, and all that. Pope. The rank is but the guinea's stamp, The man's the gowd [gold] for a'that. Burns. -- For that. See under F…