1. a dull heavy sound

1. to make a dull heavy sound
2. past tense of think
Usage: nonstandard; dialectal

Examples

• The book fell with a loud thunk.
• I heard a thunk from the basement.
• The heavy box thunked onto the floor.
• His head thunked against the wall.
• The door thunked shut behind him.
• She thunked the hammer down on the nail.
• I thunk about it all night.