The Collaborative International Dictionary
Headachy
Headachy \Head"ach`y\, a. Afflicted with headache. [Colloq.]
Wiktionary
headachy
a. Suffering from a headache
Usage examples of "headachy".
His agonized screech of horror and despair brought the other spinies into full, if headachy, consciousness.
When he woke the next morning, he found himself not in his bed, either at home or at the hotel, but sprawled in open air among the straps and stirrups of this bizarre chair, being baked in his epidermal jacket by a ruthless sun, dazed, headachy, oozing juice.
I came back out of them weak and headachy and wanting nothing so much as to go to bed, and Four Trey pointed to the sixteen-pound sledge hammer.