What does birdie style mean?

birdie style meaning in Urban Dictionary

An act of eroticism or love in which one lover regurgitates recently-ingested meals into the mouth for the various other lover. Meant to be a sign or sign of severe love. The rehearse is derived from the nurturing of a mother bird on her behalf hatchlings, in which she chews up the woman food and spits it into the lips of the lady children to nourish all of them as they will always be incapable of feed by themselves.