Answer: sucking

AnswerCrossword Clue
suckingHold (something) in the mouth and draw at it by contracting the lip and cheek muscles
suckingthe act of sucking
sucking(of a pump) Make a gurgling sound as a result of drawing air
suckingDraw in a specified direction by creating a vacuum
suckingBe very bad, disagreeable, or disgusting
suckingDraw into the mouth by contracting the muscles of the lip and mouth to make a partial vacuum
suckingDraw milk, juice, or other fluid from (something) into the mouth or by suction
suckingInvolve (someone) in something without their choosing