웃프다. 웃픈

웃픈

웃픈 (Woot ffeun) is a compound word.

웃기다(woot gi Da). 웃다(woot Da) Funny, laughing. 
슬프다(seul peu Da) 슬픈 (Seul peun) sad, lamentable, dolorous, tearful, tristful... are a combination of words. 

웃기다(woot gi Da). 웃다(woot Da)  The funny part of laughter 

and 슬프다 슬픈 the sad part of peeun
are combined to make 웃픈 (woot-peun)

sometimes, 웃프다 (woot Pee Da) 

There's an expression like this.

I'm not laughing. Even when I'm laughing, 

Even when I'm laughing, I cry.

If you step on dog poop and slip and fall, it's so funny, but you spill the coffee you were holding and your elbow gets cut and starts bleeding,,,,, it's a funny-poor situation. 

You can also say, 웃픈 (woot-peun) or 웃프다 (woot Pee Da)