Definitions

1. verb

to cause something to sink or fall by pushing or pulling it

“The kid sintsinked the toy boat into the water.”

2. noun

a place where something sinks or falls, especially a body of water

“The sintsink was a small pond near the village.”

3. interjection

an expression of surprise or shock, especially at something that has sunk or fallen

“Sintsink! The tree branch just fell on my head!”