Dwarf refers to a person with one of several varieties of a specific genetic condition called dwarfism. A dwarf has disproportion of body parts. This is generally caused by a genetic or nutritional disability. Any adult human below the height of 4'10 (147 cm) is considered a dwarf.
One Piece has a great story and does not have a lot of filler episodes.
A bag of potting soil that feels really heavy for its size tends to be full of cheap fillers and compost. Depending on the source of the ingredients, it may be fine for the ground, but in a pot too many dense ingredients will compact and cut off air circulation in the soil.