(usually of a man) Large, well-built, and muscular.
He’s a big, burly rugby player who works as a landscape gardener.
(East End of London) Great, amazing, unbelievable.
Kimi Räikkönen is a burly Formula 1 driver.
(surf culture and/or Southern California) Of large magnitude, either good or bad, and sometimes both.
That wave was burly! (i.e. large, dangerous and difficult to ride)
Full of burls or knots; knotty.