Well don't start off 'boring' in the first place.
I'm actually a master of the direct approach, as well as erotic dirty talk, and I can even successfully transition into dirty talk within the first few minutes of a cold approach if I sense the right vibe from a girl.
One way of steering a conversation towards sex is to ask sexual questions and start talking about sex. A more advanced way is full on erotic dirty talk
I'd recommend studying the art of erotic dirty talk, and how it gets women turned on. It's done by using words that conjure up sexual visualisations in her mind, and thus her body responds by getting aroused. You have to accompany it with a seductive tone of voice, solid eye contact too, and if done right it gets their p*ssy wet
Not many guys can pull this off, and I don't recommend it unless you really know what you're doing. In order to successfully pull off dirty talk, especially during an initial approach, you must do it right and you must be able to read women to know when it's safe to transition into it.
So how do I apply this? I use whatever she says in order to steer the conversation towards sex.
So if she says 'I've got a boyfriend', I might say 'what a pity...if you didn't have a boyfriend, I would really like to make passionate love to you'. Then I start describing what I would do to her, and what I'd like her to do to me sexually. I describe how I'd make love to her, etc. I'm guaging her response at all times. If she's hanging onto my every word, giving me unbreakable eye contact, I know it's ON. If I sense she's not feeling it, I back off.
This has to be done in a highly sexy and seductive way, not in a leery of creep way btw. It also has to be done IN PERSON....if you try to do it online, it loses the effect.
Another good response to the boyfriend objection is 'does your boyfriend satisfy your sexual needs? Because if we hooked up, I would...'. If I sense the right vibe, I will then transition into describing how I'd do that, eg 'I'd start by kissing those gorgeous lips of yours....my lips pressed against yours, my tongue in your mouth.....I would be running my hands all over you, through your hair....then I'd start kissing your neck...whispering into your ear....and you would be getting more and more turned on....and then I'd slowly take off your top and your bra and just start sucking on your t*ts....' etc.....
You get the idea. You have to use descriptive language to pull off erotic talk.
Or if she has nice lips, I might say "By the way, has anyone every told you you've got gorgeous lips?'. Then I might say 'I bet you're a damn good kisser', followed by 'How good a kisser' are you on a scale of 1 - 10?'. I let her answer, then whatever number she says I respond with 'How about I be the judge of that!'. This usually gets a cheeky smile/eyebrow raise from them, and can be followed with 'I could teach you how to be 10 out of 10' etc.
If you're getting the right vibe, you can amp the sexual tension up even further by saying stuff like 'I bet you suck good c*ck with those lips too' and 'How would you rate yourself in bed, on a scale of 1 to 10?' (you can tell her you like to be the judge of that too!).
I might then start describing how I'd make love to her, and go from there like I mentioned earlier.
The purpose of this is to get her p*ssy wet and get her visualising you and her kissing, having sex etc. You're planting the seed in her mind basically.
Warning, this is for advanced players only. Don't attempt if you don't know what you're doing. I've done this in the street, in supermarkets, you name it. It's powerful sh*t if done right and on a receptive girl.
Dirty talk can also be done over the phone too while a girl masturbates.....never underestimate the power of your voice. I DON'T recommend sexting.... it's a total copout and doesn't have the same effect.