Punch Drunk Syndrome (パンチドランカー, Panchidorankā), also known as Dementia Pugilistica, is an illness experienced by many athletes who experience severe or repeated concussions. Punch drunk commonly manifests in shaking hands, dementia, declining mental ability (such as memory), tremors, loss of coordination, and speech impediments. The condition is impossible to diagnose with modern medicine while alive.
The most prominent affected character is Nekota Ginpachi, where he gets punch drunk by being hit in the head in a match against Kamogawa Genji. it later worsened when he gets hit with a Rabbit Punch by Ralph Anderson, forcing him to retire from boxing. Makunouchi Ippo had similar symptoms and got scanned for punch drunk syndrome. The doctor said he was in a precarious state, dangerously likely to get punch drunk, he could recover back to normal within time.
- Punch Eye, a fear of being hit with a punch.