Dependes how you act with each other
You belong to them.
If mean she/he wants you as a girlfriend/boyfriend
Like dating someone. Like someone's your girlfriend/boyfriend then your going with them
Like dating someone. Like someone's your girlfriend/boyfriend then your going with them
Someone who don't belong to a labor union.
If you mean by you dated someone, then broke up it's ex-girlfriend or ex-boyfriend or just ex. If you mean you dated someone, broke up, and then started dating again its girlfriend or boyfriend.
It means that they want you to be their Boyfriend/Girlfriend.
Euphemism for in love with someone else, i.e. taken.
It might mean that he met someone else...
if someone want to see you boyfriend in bed.That means that the girl want to have sexual intercourse with him.
This might mean that there is someone that she likes and the guy likes her back, but they are not dating.
If someone says that they are asking if you have a boyfriend/girlfriend. This usually means they want to ask you out...