Definitions by AOL17

close your coffin 

Southern slang for shut your mouth.

You better close your coffin before I close it for you.

close your coffin by AOL17 May 6, 2017

Close your casket

Southern slang for "shut your mouth"

You better close your casket! (After talking back, etc.) Almost like "I brought you in this world I can take you out", as southern parents like to say.

Close your casket by AOL17 May 6, 2017