suck

Concise Oxford English Dictionary © 2008 Oxford University Press:
suck/sʌk/

▶verb

• 1 draw into the mouth by contracting the muscles of the lip and mouth to make a partial vacuum.

  ■ hold (something) in the mouth and draw at it by contracting the lip and cheek muscles.

  ■ draw in a specified direction by creating a vacuum.

  ■ (of a pump) make a gurgling sound as a result of drawing air instead of water.

• 2 (usu. suck someone in/into) involve (someone) in something without their choosing.

• 3 (suck up) informal attempt to gain advantage by behaving obsequiously.

• 4 N. Amer. informal be very bad or disagreeable: the weather here sucks.

▶noun an act or sound of sucking. ▶exclamation (sucks) Brit. informal used to express derision and defiance.

– phrases
give suck archaic suckle.
suck it up N. Amer. informal accept something unpleasant or difficult.

– origin OE sūcan (v.), from an Indo-Eur. imitative root; rel. to soak.