꼬리가 길면 밟힌다고 · 꼬리가 길면 밟혀요
if you keep doing wrong, you'll eventually get caught
Example
꼬리가 길면 밟힌다고, 결국 거짓말이 다 들통났어요.
Keep it up long enough and you get caught; in the end all his lies came out.
Word parts
Literally 'a long tail gets stepped on.'
Good to know
Pronounced [발핀다] — ㅂ and ㅎ merge into ㅍ.