They are tiny and devastating. It's always a good idea to split it with a few people because you really have no idea how much alcohol is even in the thing. Probably not enough to kill four adults, right? Of course not, that's why you split it up!
Right when we were about to get another round of Pina Coladas, someone walked by us on the beach selling especially potent locally-made alcoholic beach drinks called which are colloquially called Nutcrackers!