Went under, like the Titanic

• Pocketed, as a billiard ball
• Hit bottom
• Fell gradually
• "My heart ___ ..."
• Destroyed destroyers
• Behaved like a lead balloon?
• Brought to ruin
• Dropped to the bottom of a lake, say
• Headed to bed?

Wiktionary Word definitions in Wiktionary
vb. (en-simple past of: sink )