expression, noun
schadenfreude; pleasure from others' misfortune
Internet slang abbreviation of 他人の不幸で今日も飯がうまい (lit. 'someone else's misfortune makes today's meal taste good'). Used to express enjoyment of others' failures or bad luck, often in online comments.
See also: メシマズ
ライバルチームが負けて、メシウマだわ。
The rival team lost — schadenfreude feels great.
あの嫌な上司が左遷されたらしい。メシウマ
I heard that unpleasant boss got demoted. Sweet schadenfreude.
Abbreviation of the phrase 他人の不幸で今日も飯がうまい (tanin no fukō de kyō mo meshi ga umai, 'someone else's misfortune makes today's meal taste good'). Originated as internet slang.