Heeltap is a term that refers to the bottom of a wine or beer bottle. It is also referred to as the dregs or sediment that gathers at the bottom of the bottle. There are many synonyms for the term heeltap, including the last drop, bottom dregs, dross, refuse, and lees. These words are often used interchangeably to describe the remains of alcoholic drinks that often go to waste. The heeltap is not typically consumed, as it can contain bits of debris or sediment that can be unpleasant to taste. Still, many people choose to use these words to describe leftovers of any kind, including food or drink.