pile on

: a long slender column usually of timber, steel, or reinforced concrete driven into the ground to carry a vertical load

: a wedge-shaped heraldic charge usually placed vertically with the broad end up

: a target-shooting arrowhead without cutting edges

: to drive piles into

: to lay or place in a pile : stack

: to heap in abundance : load

: to collect little by little into a mass

: a quantity of things heaped together

: a heap of wood for burning a corpse or a sacrifice

: any great number or quantity : lot

: a coat or surface of usually short close fine furry hairs

: a velvety surface produced by an extra set of filling yarns that form raised loops which are cut and sheared

: a single hemorrhoid

: hemorrhoids