Just for a second, let's drop the term 'neg-hit' alltogether. For now, we will replace it with the term 'teasing'.
How would you tease a girl? There are a hundred ways. The other day I got in a wrestling match with a girl over my friend's little boy's lightsaber. It got bent in the process. I told her "Look what you did. You broke it!" and she replied "What? No it wasn't me!!" to which I said "Whatever. You said 'I hate little boys!' and then you broke it over your knee" She laughed, hit my shoulder, ran her hand down my arm and then squeezed my hand and told me "you're a pain in the ass."
Technically, accusing a girl of hating little boys isn't a neg hit - but to me, it's the same thing. It's teasing. Since HB9s (supermodel looks) are used to guys being nervous, the ability to tease them shows that you are not intimidated. That is step 1 to having a shot with her.
Your neg hits, to me, seem to harsh. They are coming off as insults.
Another example of me teasing a girl: I opened a girl yesterday with "You're bit of a nerd, aren't you?" she looked up at me and I continued "I like your style". She laughed, and smiled and said "Thanks! Being a nerd is better than playing dumb, you know" We're going rock climbing on Tuesday.
Other ways I've teased girls: one girl was walking with me to get something to eat, wearing high heels. I remembered from another girl that walking through the grass in high heels can get them stuck in the dirt. I just waited, and her heel stuck in, and she fell into me. I teased her "You know, most girls learn how to walk in high heels when they're what, 13?" with a little grin. Then I gave her a piggy back ride the rest of the way.
And sometimes you can neg unintentionally, if a girl takes a compliment the wrong way.
Once I told a girl "Nice look, you're a total betty tonight" and she freaked out. She thought it was an insult, insisting "What's a 'total Betty'?"
Another good one, this one is credit to JC Jerkson, I believe, is walk up to a girl with a shiny outfit and whisper into her ear (with a mischevious grin) "nice spacesuit." I've never used it, but it's funny, and not really insulting.
Another one, I went up to a girl with a tattoo. I asked "Nice tattoo, is it real?" And it wasn't! I then licked my thumb and rubbed it half off. Then I told her that my friend does tattoos (and showed her one he did for me) and that he was teaching me how, and we fluffed for a while. I left with a number.
Don't tell her she's putting on weight - unless you are really good at teasing girls so that she knows you're poking fun. Still, I probably wouldn't do it.
Some ideas just off the top of my head that you can try (because I haven't, so I make no garauntees) might include:
take a picture with her. Tell her "you look weird in this one. Let's try again." I can't see that failing, as girls always think they look weird in pictures.
Or tell her that something looks "different". For example "Hey, what did you do to your hair? It looks... different" Chances are she'll press you to find out what's different about it. Keep teasing. Tell her "There's nothing wrong with being different - stop trying so hard to fit in!"
The point of a neg hit is to subcommunicate that you are not intimidated by her good looks. If she is not intimidatingly good looking, it's really not necessarry.
Whatever you do, just keep it lighthearted. Keep teasing.
BrotherAP