characterized by such behavior

Alternative spelling of 中二病

podiatrist

(dentistry) periodontitis

(fiction) Hanahaki, an illness affecting those consumed by unrequited love that manifests as the coughing up of flowers, which clears up upon reciprocation. A fictional illness, it has found popularity among both Japanese and foreign online fanfic (especially) artists and authors for its poetic quality.

(pathology) collagenosis, collagen disease

(medicine, neurology) Creutzfeldt-Jakob disease

(idiomatic) to stir up trouble for oneself; to scare out a snake by poking at the brush

Do not befriend people who are not as sincere as you are.

(idiomatic) Speak no ill-fated words; let no feeding cause you ailment; literally Diseases enter through the mouth, disasters come out of the mouth.