A girlfriend. However, usually used less respectfully to describe one, in a way that suggest she is temporary, and one of many that you have. Thus, itcan be interpreted to mean hoe
Someone who you aren't necessarily dating, but someone to have fun with while you are single. It's almost like someone you can have fun/do things with and there wont be any strings attached.
Jamaican Drug Lords be like: "shut the fuck up nigga, we run tings here"
Girl #1: So what's with you and Quentin
Girl #2: Nothing, he's just my ting for the summer
Girl #3: Alright girl, do your thing