The term 'Liquid Lump' can be solved by the crossword clue 'CLOT' (4 letters). A CLOT is a mass of coagulated blood, which is a type of liquid. Clots are formed when proteins in the blood interact with each other and form a gel-like substance. Clots can be dangerous if they form in the wrong place, such as in the arteries or veins, as they can block the flow of blood and cause serious health problems.