As a former teenage boy, sometimes it’s really just soap and soap scum and dirt and whatever else caught in the hair rather than anything else.
Also, for anyone caught in a sticky situation, cold water to keep the proteins from denaturing and getting sticky in the first place, and if all else fails use shampoo to try to emulsify it to stick to the water instead of the floor, to make little sewer babies with your neighbors.
Yeah, it’s dumb, but this isn’t the thing to call him out on. The videos posted were just of his stupid ramblings that the audience clearly took as funny. Where’s the slurred speech? Show me some clear indicators like the two-handed water drinking a while back.