suck in suck in /sʌk ɪn/

verb

1. () Take up as if with a sponge  ( sop up , take in , take up , suck in )
   take up as if with a sponge
   
2. () Draw in as if by suction  ( draw in , suck in )
   draw in as if by suction
    Suck in your cheeks and stomach
   suck in your cheeks and stomach
   
3. () Attract by using an inexorable force, inducement, etc.  ( suck , suck in )
   attract by using an inexorable force, inducement, etc.
    The current boom in the economy sucked many workers in from abroad
   The current boom in the economy sucked many workers in from abroad