i Register
In some senses, cully is marked as archaic, slang, historical. Watch for register when choosing this word.
noun
A person who is easily tricked or imposed on; a dupe, a gullible person.
Yet the rich Cullies may their boaſting ſpare; / They purchaſe but ſophiſticated VVare.
I have learned that […] I am not the first cully whom she has passed upon for a countess.
A companion.
A male client of a prostitute; a john, a gonk.
The assumption tends to be the opposite: Whores constantly seek sexual encounters to fulfill their burning desires and also sometimes manage to wheedle gold out of their cullies.
verb
To trick, to impose on, to dupe.
name
A surname from Irish.