noun
eating alone; solitary meal
Slang term for eating alone, often with a nuance of loneliness or social awkwardness. Commonly used among young people.
昼休みにぼっち飯をするのはもう慣れた。
I'm used to eating alone during lunch break.
ぼっち飯を隠すためにトイレで食べる人もいるらしい。
Apparently some people eat in the bathroom to hide that they're eating alone.