A sleazo is a person who is not honest and does bad things.
The word sleazo is very negative and means someone who is not good.
Examples:
I don't want to be friends with that sleazo.
The sleazo stole my toy.
The sleazo is not nice to people.
The sleazo tried to cheat at the game.
The sleazo always lies and never helps anyone.
The sleazo is not welcome here.