Have you ...

been drunk - Yes, frequently
smoked pot - Yes, when I was at school the headmaster called me in to ask me if I was a dealer
done cocaine - No, wouldn't either
done other drugs - Yes, speed didn't like it won't do it again
thrown up in a bar - Yes, once I managed to do a urinal, sink and toilet all in one smooth barfing swoop
flashed someone - Yes, with a camera ;o)
posed nude - No, no one should be subjected to that
purchased pornography - Yes ... once ... honest
caught masturbating - Yes and it scarred me for life
pissed on myself - Yes, see item one for explanation