adjective, hinc·ti·er, hinc·ti·est. Slang.
- conceited or snobbish.
adjective, hin·ki·er, hin·ki·est. Slang.
- acting in a nervous or very cautious way.
- suspicious: Whenever he agrees with me, you know something hinky is going on!
- snobbish; haughty.
“conceited,” by 1924 in U.S. black slang. Cf. obsolete Scottish hichty (c.1500), considered an alteration of height-y.