Wiktionary
keyed up
a. nervous; worried.
Wikipedia
Keyed Up
Keyed Up is the fifteenth studio album by country music star Ronnie Milsap, released in 1983.
It featured the #5 country chart hit "Stranger in My House", plus the #1 country hits "Don't You Know How Much I Love You" and "Show Her."
Usage examples of "keyed up".
I keyed up a summary: elapsed time approximately six months standard, just under two of that under direct medical supervision.
After picking up shaving gear and a toothbrush from the Marriott's gift shop, Clark again went to sleep, again surprising the younger officer, who was far too keyed up to do so.
He pulled the files in question, keyed up printout on the authorization.
She keyed up a schematic of the Sub-Urb then opened up the emergency services database.