빵 터짐 : burst out (laughing) (Ex) He bursts out laughing.

LMAO, laughed so hard

That means... LMAOOOOOO

Just imagine that you're laughing aloud or having a big smile on your face when you see something funny, bizarre..That's the meaning of the word.

burst out laughing. You might come across 현웃 터짐 as well.