West Hoathly Seagull
Honorary Ruffian
Fine, so long as you're not rowdy, vomit or something like that. I used to have a can of beer to while away the time during delays at East Croydon Station during my commuting days. Even Worthington was preferable to sitting gazing at one's navel in the refreshment room. Just remember that in London it is illegal to drink or carry open containers of alcohol on the Tube and buses.