A large animal, whether fluffy, muscular, bulky, or chunky, that holds positive, warm and welcoming characteristics attach to them. They also may hold the trait to be able to be even bigger or fluffier at will or when certain conditions are met.
Boof is a technical term in the sport of whitewater kayaking. What it mean is to use a rock (called a boof rock)to launch your boat flatly of of a small waterfall. This way a kayak lands beyond the hydraulic off of the bottom of the waterfall or avoids rocks that they would otherwise land on. Boof strokes refer to the stroke someone takes when making a boof move.
He totally missed the boof line and got pretty banged up.