Eating and drinking; having food and drink (often casually or socially).
休日は外で飲み食いしてのんびり過ごしたい。
On my day off I want to relax by eating and drinking out.
彼はいつも飲み食いにお金を使いすぎる。
He always spends too much money on food and drink.
飲み食い禁止の張り紙が教室に貼ってあった。
A 'no eating or drinking' sign was posted in the classroom.