>>33446050 (OP)
yes, you just have to become the host/benefactor. You gotta be the place where they go to get shitfaced and party, or where they go to get shitfaced and then go out to party and be the "safe" place they can come back to.
From there it's just a matter of being in the right place at the right time. Some plastered co-ed will come back and you'll have a chance to make a move