To start conversation with someone, preferably to make a better realationship with someone, i.e. learning about them. Usually laughing and serious talking going down.
Can be a long period of time or short, usually between two people who don't really know eachother that well.
Where'd Shanice go?
Oh she over there buildin with that boy we met last night.
Geneice on a date with that boy AC.
Oh forreal? Uhuhh they will not build without us knowing!