Vaguely mentioned this technique a couple of years ago but I'll be a bit more specific.

Now this is pretty simple. Meet some chick and you're just chatting like normal, blah blah usual dribble. Ask a few probing questions that could lead her down the path of a where she is telling you a story about someone her and another guy, could be an one night stand she had, or an ex fuckbuddy, or whatever. Make the conversation seem very casual and normal and don't act like you're hitting on her.

Now that she's on her little story, this is where you can go direct on her, she's saying something like "oh blah blah hooked up with this guy last month it was ok" (for eg), then you say, deadpan "oh yea we should hook up sometime", say it like it's absolutely nothing like you'd ask her what the time is. And no matter what her reaction or answer is, stay deadpan.

Do this right and she'll be all over it, and if you do get a no it'll be a very mild shootdown. Any positive reaction, either take her home or calmly swap numbers and arrange a time to have sex.

This can be a very easy way to get laid, and remember, ask deadpan, react deadpan. Act like it's nothing to you.

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It came to me in a drreeeaaammmm

I think the word deadpan describes a "big secret" about pickup in general. It describes the most successful attitude in PU that I have both discovered on my own and observed in others (friends). With this attitude, when talking to a girl, you can either be happy (if things go well) or disappointed. And that's it. You don't care more than that. It's like you think "whatever happens happen".