What is 당최 in english?

What the meaning of 찝찝함 in english? What the meaning of 찝찝함 in english? I guess its kind of slang language, eh?

Get well soon in korean How to say "I hope you feel much better soon, get well soon, ok?" in casual way? (for same age) is 곧 나아지길 바랍니다! 쾌유를 빌어요! right? or is that too formal? :O

Help to translate So, basically there's a korean exchange student in my uni, but she just can speak a bit of my language, and a bit english. and since the class will started soon; i feel sorry to her, because sometimes she looks a bit confused because of our language different. I want to tell her that: "Actually, we need 2 books in sociology class. The thick one I've gave you few days ago was the rare one to use (depends on the lecturer; there is some lecture who used this book mostly, and there are some lecture who just used it on final exam). I have the other one which usually always been used in this class. If you are willing to have it, I can lend it to you and give it on Monday. But if you won't, its okay" can someone translate that^ into korean? i'm sorry if its too much ;; thanks, for your help, I will really appreaciate it if you want to help me! :) x

help me help -,- What's the meaning of: 갔다와서? and... i'm not sure about it, but is there any different between 완전 and 너무??

The translated of it? 기엽다고해줘서 ? The meaning of this words? :-0

.......what does it mean? "문자로 한국친구랑 대화하는거야"

The meaning 갑자기한국말하니까 놀랏네 --> is this has the same meaning like "why suddenly used korean"? or am i wrong translated it? Help me.. OTL........

Could someone help me? There's a korean who told me this "나 찰생겼어?" and it actually made me confused. I'm beginner at korean.. I'm just knowing that : 나 : Me 찰생겼어 : Handsome (Good looking?) what does that person actually mean to said to me? is he flattering himself?:O ah. I don't know. then i want to said to him that I didn't get what he mean, how to said it in korean word? thank you. sorry for too much asking! ._.