there is only 1 situation where girls can get drugged drinks.
keggers... losers who drink stuffty stuff like beer.
in bars and clubs, people dont hand drinks to people they dont know. you would have them order for themselves at the bar while you pay for it, or a waitress delivers it (if you are to pusillanimous individual to talk to them)
at a party, people dont hand others roostertails. only beer...
to not get raped and not be a loser. dont drink beer, drink liquor instead.
solves 2 problems.