Another name in the vast vocabulary to describe a woman's breasts. Sometimes (but not limited to) used to refer to an expecting or new mother's swelled bosom.
Dude, did you see the gerber servers on that broad?
Wow, I would love to get my hands on those gerber servers!
or in the mother's reference:
Have you seen Dave’s wife lately? Ever since she got knocked-up she has really developed quite a nice set of gerber servers.
Holy shit! I can’t believe that chick just whipped out her gerber servers right here in the restaurant.