suck in

suck in  {v.}
1.  {informal}
To pull in by taking a deep breath and tightening the muscles; flatten.
"Suck in those stomachs," the gym teacher said.
2.  {slang}
To make a fool of; cheat.
The uneducated farmer was sucked in by a clever crook.
Categories: {informal} {slang} {v.}

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