I'm having lesbian thoughts about my best friend, help?

My best friend and I have kind of always flirted with eachother, like playfully. sometimes she'll come up to me and slap my ass or i'll catch her staring at me, but she's never tried anything really physical. When we text or message, she always brings up personal things and flirts. Like, she'll call me sexy or tell me I have an amazing body. she asks me about masterbating and all that stuff that most girl friends dont, and I know shes been bicurious but now she claaaims that shes straight. But lately I've been having sexual thoughts abotu her, I really want to go down on her or even make out with her. she wants to get drunk with me and I dont know if I should try to bust a move or if it will ruin the frienship. PLEASE HELP! <3 <3

She might jut be an open person as nothing to do with being lesbian.

If you really want to know. I would not be drinking with her, because you will take advantage of her. Also she when she is sober she might really hate you for it.
Thank again maybe she needs to get a little buzz, because most girl's go to feel comfortable around guys. That's what they say, yet I would not really know, because I do not go for those kind of girls.

If you 2 are that close, most likely you can talk to her about it and she what she says, because I do not believe she will hate you. It doesn't sound like it, but it just sound like she's leading you on in that way.

Ummm, in my opinion most "best" friends or even close friends act this way. I don't take it a lesbian kind of way though. We're joking with many of my friends about it like "Ok, they making out- we're the next, let's go." or some stupid stuff like that. So ya, doesn't really seem so strange about me.. But of course, I may be wrong. Talk with her delicately and find out more.