wild-eyed
US /ˈwaɪld.aɪd/
UK /ˈwaɪld.aɪd/

1.
having a wild, staring, or frenzied look in one's eyes, typically indicating madness, excitement, or fear
:
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The wild-eyed man was shouting at passersby.
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She had a wild-eyed look of terror on her face.
2.
reckless or impractical in one's ideas or plans
:
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He came up with a wild-eyed scheme to make millions overnight.
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Their proposal was dismissed as too wild-eyed to be practical.