BTW means By The Way in text language
in text language ttfn means ta ta for now
RUS in text means "are you serious".
money
I think it means 'Do What?'
Tbp means in text language text back please
cya in text language means seeya. you know like seeya later
"Wuu2" stands for "what you up to?" It is a common text abbreviation used to ask someone what they are currently doing or how they are feeling in a casual way.
It means definetely
It means i miss you
it means "you know"
means nothing