n. skateboard or surfing trick where rider makes a quick 180 degree heelside turn using their front hand as an anchor on a wave or a banked piece of pavement while grabbing the toeside edge of board with the free hand.
Did you see him do that sick bert? It was like he was surfing concrete!
A person who is, sophisticated, extremely intelligent and exceedingly well-endowed. A person known as Bert is often the most respected or adored member of any group of people. To be called Bert is the utmost sign of respect: it signifies that the person being referred to has the ability to please and impress others on every possible level.
A woman sees a distinguished, attractive man at a party and says, "wow that guy is such a Bert"