St.Patrick's Day - Irish Drunk -o- Meter T-Shirt. This is how the meter works.. 3 beers to buzzed.. another 3 to drunk. drink another 3 and your drunk! if you dare to drink 3 more you are smashed. and more then that you black out. If you manage to consume another 3 while you are blacked out you are Irish! This "drunk -o- Meter t-shirt is always se to Irish!