Korean Sound Words
싱글벙글
singgeul-beonggeul · shape/feeling word
What it means
Beaming, can't stop smiling.
When you'd use it
Someone who got good news and can't hide it.
Closest English
Grinning from ear to ear
Example
합격 소식을 듣고 하루 종일 싱글벙글이야.She's been grinning all day since hearing she passed.