Abbreviation of 'what is up'
My guess is that they meant to send k or something. Not sure
"ça va": I'm OK/ all's OK - "msg moi": text me - "on da low": (???)
Mark the text with an asterisk
Asterisk is typically classified as a noun. It is often used to denote a footnote or special notation in written text.
Heil Hitler OR Bye Bye
it's a text message
MSG has not significance in airsoft.
you can get a free text app from the app store
An asterisk is not an idiom. It is a punctuation mark. It looks like a little star *
There is no such thing
no, an asterisk cannot be used to correct grammar.