seem to be, appear to be; discover, find; give, pay, pay up ; (bad language) consent to have sex, get laid , go all the way
You came across as being angry, not just disappointed.
I came across an antique basin in the attic. It was in a box.
They came across with $250 - half the money they owe us.
You kiss me as though you're going to come across, but then you say no.