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4.
v. sussed, suss·ing, suss·es Slang

1. To infer or discover; figure out
2. To size up; study
1."I think I'm good at sussing out what's going on" (Ry Cooder).
2."Suss out the designers in whom you are interested" (Lucia van der Post).
by hawa_63 January 28, 2012
 
1.
To discover or realize information, usually with a level of intuition playing a role.
She was able to suss out his lies very quickly.
by Wylie June 24, 2003
 
2.
Short for the word 'suspicious'.
I don't know whats going on, its a bit suss.

She looks pretty suss, wonder whats happening?
by Pen4 May 14, 2005
 
3.
Solve a problem or puzzle using ingenuity.

They're in a bit of a predicament, but I'm sure they'll suss it out.

She had the Rubiks Cube completely sussed within a couple of days.

Debbie just sussed out how to sell shares online.
by Hoolymama February 21, 2008
 
5.
Jamaican Slang/Patois for Information and or Gossip ("411")
Wah de suss?
by Zedebe November 02, 2010
 
6.
Adjective (Chiefly Rio Grande Valley, TX)
1. Filthy, disgusting or revolting. 2. Promiscuous
Noun (Plural: Susses)
1. A filthy, disgusting or revolting person.
ORIGIN: Derived from Spanish 'sucio' (dirty).
1. Dude, you look fucking suss. Take a shower.
2. Man, that bitch is suss; she's slept with half the school.
3. Those susses just got out of jail.
by Cid Deuce March 07, 2003
 
7.
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.
I'll go suss it out.
by Garrette Jax June 05, 2009