(third-person singular simple present susses out, present participle sussing out, simple past and past participle sussed out)
- (slang) To come to understand (a person).
- We've sussed him out — he only drinks on Fridays and only in that bar in town.
- (slang) To manage to work (something) out, to determine (something).
- We've sussed out how to open the lock.