literally: to blow out one's cheek; describes when someone is angry or troubled / distressed / miserable
Definitions (粵典–words.hk)
語句
將面嘅兩側(腮)谷脹,指唔開心、有心事 to show one's displeasure; literally: to puff out one's checks
做咩鼓起泡腮呀?有咩可以同我講喎。
做咩鼓起泡腮呀?有咩可以同我讲㖞。
zou6 me1 gu2 hei2 paau1 soi1 aa3? jau5 me1 ho2 ji5 tung4 ngo5 gong2 wo3. Why puffing out your cheeks (=why the long face)? You can tell me anything.