Straddling a woman's face, balls in her mouth, while titty fucking her, one leg on the floor, the other on the bed, reminicent of the pose struck by George Washington in the famous Revolutionary War Painting "Washington Crossing the Delaware"
After an extended amount of time in a Captain Morgan style doggy position, he flipped her over and and switched into his "Crossing the Delaware" stance until his leg started to cramp.
Having sex with a girlfriend or boyfriend while he or she is asleep. Originates from George Washington's sneak attack against the British on Christmas Day 1776 and his numerous nocturnal sneak attacks on Martha W.
Bill tried Crossing the Delaware last night, but I woke up and pushed him off me.