suck

Give suck to.

“The wetnurse suckled the infant”

Provide sexual gratification through oral stimulation.

Take in, also metaphorically.

Be inadequate or objectionable.

“this sucks!”

Attract by using an inexorable force, inducement, etc.

“The current boom in the economy sucked many workers in from abroad”

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”

Draw something in by or as if by a vacuum.

“Mud was sucking at her feet”

The act of sucking.