Using one's physical presence/strength to keep someone from doing what they want to do (like standing in their way, holding onto their arm, restraining them). Not in a sense of actually protecting them from immediate harm, like keeping them from running into a busy street or something, but like they want to go somewhere, see someone, be elsewhere, and the person physically blocks or restrains them. I have big issues with that.
Likewise, doing all of the above but in a more roundabout an manipulative way. Using guilt trips, having other people "watch" them, etc.
Negging. Negging is creepy. If you're unfamiliar with the term, it's when someone hits on you/flirts with you/speaks to you in a way that tries to "knock you down a peg" by using an insult wrapped in what could be considered a compliment. For instance: "You're pretty. I bet more people would like you if you weren't such a know-it-all." or "You know, a lot of people want to date me. Lucky for you, I'm not interested in them. [So doesn't that make you feel special and imply you should be grateful when I want to date you?]"