Sponges are a type of aquatic organism that can absorb and filter water. The term 'sponges' can also be used to describe people who take advantage of others without giving anything in return. BUMS (4 letters) is a slang term for someone who is lazy and does not work. TOSSPOTS (8 letters) is another slang term for someone who takes advantage of others. FREELOADS (9 letters) is a term for someone who takes advantage of others by taking advantage of their hospitality. DEADBEATS (9 letters) is a term for someone who does not pay back money they owe. MOOCHES (7 letters) is a term for someone who takes advantage of others by asking for free things. CADGES (6 letters) is a term for someone who begs for money or goods. ABSORBS (7 letters) is a term for someone who takes in information quickly. SOTS (4 letters) is a term for someone who is habitually drunk. LOOFAS (6 letters) is a term for someone who takes advantage of others by asking for favors. SYCONS (6 letters) is a term for someone who takes advantage of others by taking advantage of their generosity. CADGERS (7 letters) is a term for someone who begs for money or goods. LEECHES (7 letters) is a term for someone who takes advantage of others by taking advantage of their resources. PARASITES (9 letters) is a term for someone who takes advantage of others by living off of them.