Suss

[Sarah]

To discover or realize information, usually with a level of intuition playing a role.

[PussyCat]

Short for the word suspicious.

[Donald Trump]

v. sussed, suss·ing, suss·es Slang

1. To infer or discover; figure out
2. To size up; study

[Sonia]

Jamaican Slang/Patois for Information and or Gossip (411)

[Britney]

To check something out or investigate something.

I watch a ton of shows with British speakers and that is the way i hear it used.

I have never heard an American use the word ever.

[Justin Bieber]

Solve a problem or puzzle using ingenuity.

[Little_Girl]

Adjective (Chiefly Rio Grande Valley, TX)

1. Filthy, disgusting or revolting. 2. Promiscuous
   Noun (Plural: Susses)
2. A filthy, disgusting or revolting person.
   ORIGIN: Derived from Spanish sucio (dirty).

[Couch Potatoe]

Another word/phrase for someone ruining something.