HELP PLS. IT WON'T TAKE MUCH OF YOUR TIME' m(_ _)m

[urbanegloss2037]

"ではまた今夜～。楽しみでーす。★"

what 's with the "~" sign in "今夜～" ?? and the "ー" sign in " でーす。 " ?? o.o




what does it mean? I've encountered these before but I have no idea what it means.

enlighten me native speakers!





thank you ^____^

[QuackingShoe]

ー extends sounds.

～ does the same thing in a sing-song way.