DO NOT go into the city on the weekend, they have that stupid walking initiative where they close off streets and let ppl walk, wtf, what are the sidewalks for? just don't go into the city, you'll never be able to get out if you try to take the holland.
Meet somewhere in brooklyn. if you want the "trendy" places try the williamsburg area (near the williamsburg bridge) i just took my bridal party there for a nice japanese dinner.
do you guys need a place to meet up, indoors? if not you could always meet up in prospect park, they always have those stone tables ppl use for chess, my nephew says coney island has cleaned up a bit since the rides were closed down, so you can try that (just stay away from the big apartment buildings, which are the projects).
the weather is gonna turn cooler/colder rainier tho so i guess indoors is good, a food court? i really don't know of a food court in bklyn aside from the bklyn mall and that mall isn't really accessible (by bus only).