What does bean seal mean?

bean seal meaning in Urban Dictionary

A bean seal is someone who wears a hoodie with a strong bonnet, thus making the person appear to be a bean or a seal. The hood are often taken tight on a looser bonnet to make the same effect.To bean seal or 'pulling a bean seal' can also be used as a verb.Bean sealing could be the rehearse of using a hoodie with a taut bonnet.