Depending on the verb used, this term changes meaning. To ser arrecho is to be a badass (highly skilled or bold) or to be brazenly shameless. To estar arrecho is to be pissed off or angry. The noun form, arrechera, refers to the state of being angry.
I didn't study for the exam and got a 20 (the highest grade in Venezuela), I am so arrecho. That girl treated me like a servant on my birthday, she really is arrecha. I am arrecha because of some trashy woman who cut in line to buy toilet paper, she is such a bitch and took the last roll, what an arrechera.
Used to describe someone who is sharp, proactive, and quick-witted. It also refers to a person who is bold or disrespectful, particularly someone who takes unfair advantage of a situation. (The term comes from the word avispa, meaning wasp, suggesting someone who is alert and quick).
All these kids are really Avispao, they are sharp and ready for whatever needs doing. / Look how Avispao this guy is, he just went to the front without waiting in line.
Refers to a gutsy or tough person who has a strong character and faces dangerous or difficult situations with courage. (The word is a shortened form of 'parado', implying someone who stays standing in a fight instead of running away).
That friend of yours is very 'parao', he stood his ground against all the thieves.