suss

/sสŒs/
noun
  1. 1

    Anything dirty or muddy; a dirty puddle.

noun
  1. 1

    Suspicious behaviour; the act of loitering with intent.

verb
  1. 1

    To arrest for suspicious behaviour.

adjective
  1. 1

    Suspicious.

noun
  1. 1

    Social nous.

verb
  1. 1

    (often with "out") To discover, infer or figure out.

  2. 2

    To study or size up, to check out (examine).

Source: https://en.wiktionary.org/wiki/soss, https://en.wiktionary.org/wiki/suss