Didn't float

• What Atlantis did, presumably
• Knocked in a pocket, in pool
• Slumped
• Ended up on the ocean floor
• Took on too much water
• Registered, with "in"
• Putted into the hole
• Descended gradually
• Went down like a stone

WordNet Word definitions in WordNet
n. plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe (technology) a process that acts to absorb or remove energy or a substance from a system; "the ocean is a sink for carbon dioxide" [ant: source ] a depression ...