The weave may be intentional or unintentional.
For this fortnights ride, he decides to head to the 'hills'. After riding 3% for a kilometre he finds himself questioning whether or not the protein shakes he has for breakfast have added to his muscle mass or waistline.
Two kilometres in, everything goes dark. He's hurting. He's weaving all over the road, barely staying upright.
He's doing the HURTING HUBBARD WEAVE.