冷めちゃう

get cold, cool off

→ 冷める
冷め cool down, get cold + ちゃう Completive aspect
verb · informal, present tense Rare #36,558
get cold, cool off A casual contraction of 冷めてしまう, often suggesting that the change is unfortunate or unwanted.
JA: 早く食べないと、スープが冷めちゃう。
EN: If we don’t eat soon, the soup will get cold.
Conjugation of 冷める
Present
冷めちゃう冷める

このお料理も冷めちゃうわ!

This dish is going to get cold too!

— 魔女の宅急便 (1989)

冷めちゃう

It'll get cold.

— 万引き家族 (2018)

料理が冷めちゃうよ。

The food’s going to get cold.

「トム、ご飯冷めちゃうよ?」「ちょっと待って、今行く!」

“Tom, your food’s getting cold!” “Just a minute—I’m coming!”