冷めちゃう

cool down, get cold

→ 冷める
冷め cool down, become cold + ちゃう Completion or unintended-result auxiliary
verb · present Rare #39,092
cool down, get cold Casual contraction of 冷めてしまう, often implying that something has unintentionally or regrettably cooled down.
JA: 早く食べないと、スープが冷めちゃうよ。
EN: If you don't eat it soon, the soup will get cold.
Conjugation of 冷める
Present
冷める冷めちゃう

このお料理冷めちゃう

This dish will get cold too.

— 魔女の宅急便 (1989)

亜紀おばあちゃんうどん冷めちゃう

Grandma, your udon is getting cold.

— 万引き家族 (2018)

料理が冷めちゃう

The food’s going to get cold.

冷めちゃう

It'll get cold.

— 万引き家族 (2018)