What is Gunsel?
1.
In prison, a cheap little punk.
Also in prison, a catamite.
Eduardo is going to cut that little gunsel.
2.
An ancient term used in the 30's, but coming back in vouge on the west coast, meaning a little man carrying a gun - similar to flunky or a member of a posse.
"Why you cheap little gunsel, he sent you to do his dirty work."
3.
oilfield slang: a person that is slow to learn/forgets and constantly needs reminded .
What a gunsel, I have told him fifty times already today how to make a connection.