Thunderstruck (adjective)
thunderstruck [thuhn-der-struhk]

adjective
1. overcome with consternation; confounded; astounded: He was thunderstruck by the news of his promotion.
2. Archaic. struck by a thunderbolt.

Also, thunderstricken [thuhn-der-strik-uh n]

Synonyms
See more synonyms on Thesaurus.com
1. dumbfounded, flabbergasted, overcome.

Origin: 1605-15; thunder + struck

Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.