The old man and the flask

Today I had a rather embarrassing experience involving an old man and a flask. I sometimes cater on the weekends and I was going about collecting everyone's napkins. The old bloke was just chatting with his mates around the table so I grabbed his napkin and a humongo flask fell out and onto the floor! Geez it was suppossed to be a fancy smancy dinner, but I guess once an alcoholic always a....er...alcoholic..?