Definition of 懐古厨 (かいこちゅう)
かいこちゅう
                        懐古厨
かいこちゅう
kaikochuu
noun
•
        
nostalgic person, person who prefers the good old days, fuddy-duddy(Internet slang, derogatory)
Related Kanji
| 懐 | pocket, feelings, heart, yearn, miss someone, become attached to, bosom, breast | 
| 古 | old | 
| 厨 | kitchen |