An idler, a loafer.
One who wanders aimlessly, who roams, who travels at a lounging pace.
To wander aimlessly or at a lounging pace.
A block of bread after baking.
Any solid block of food, such as meat or sugar.
A solid block of soap, from which standard bar soap is cut.
Shortened from "loaf of bread", the brain or the head (mainly in the phrase use one's loaf).
To headbutt (from loaf of bread)
To be in catloaf position (for cats or other animals)
To do nothing, to be idle.