When someone does something great,
amazing, or totally rad, but thru clumsy
retarded dumb-assed means.
Man, that's forever going to be
George's bow-leggacy, he backed off that ladder and ended up saving all those old people from that fire because he cracked his head on that pile of old books which set off a chain reaction of events that lead to putting out the fire.
See also Curious
George.