submissive or fawning in attitude or behavior; "spoke in a servile tone"; "the incurably servile housekeeper"; "servile tasks such as floor scrubbing and barn work"
draw into the mouth by creating a practical vacuum in the mouth; "suck the poison from the place where the snake bit"; "suck on a straw"; "the baby sucked on the mother's breast"
draw something in by or as if by a vacuum; "Mud was sucking at her feet"
attract by using an inexorable force, inducement, etc.; "The current boom in the economy sucked many workers in from abroad"