Went to bed?

• Dropped like an anchor
• Dropped in the drink
• Became submerged
• Dipped
• Went down, like a ship
• Lost altitude
• Blasted a hole in
• Modest Mouse "We Were Dead Before the Ship Even ___"

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Sank \Sank\ (s[a^ ng]k), imp. of Sink .

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