All posters are correct for the most part. OP, ask yourself this: If you told a woman she was NOT your type, why would you? There lies the answer you seek. Same reason as you would tell one this. Hate to admit, but women and men are alike on this subject matter.
You could just lay it out there and say, "Bytch, you are too ugly...or your a fat a$$..or your breasts are too small for my liking....or YOU want an ATM and I that is not on my forehead." But you say NOT my type to get them off of you.
Nismo said something about being told this in bed... Hmm, not sure where he was going with it. But let's say you hit it and knew you did NOT handle your business, it could be a hardcore slap in the face meaning you were a lousy lay.Who knows? Two views: at least you hit (yay, good for you) or (you were extremely weak in the sex act.) bad for you.
Don't over think this one...pretty cut an dry. No attraction=move the fvck on. I do not believe you can increase the chemistry of attraction much. Some may argue, but my experience says no. I know immediately within 5 minutes of meeting a prospect if I feel her or Not! And you BEST BELIEVE she does too!!! It has always been said and I agree 150%, a woman knows within minutes if she would sleep with you after meeting you. I am the same way!! I know very soon as I size her up. Face, hair, eyes, breasts, her overall shape, I imagine what she would look like unclothed. My size up never fails me. If I have to keep looking for qualities I start re thinking would I be with her. Then you have some, they do not have to be dime pieces, but they just do it for ya. You find many attractive qualities in them, hence attraction...Then YOU would not tell her she is NOT your type. Make sense? I think it does.