A variation of telling someone you're going to kill or murder them, commonly used in jokes or slangs among middle schoolers.
by Cornell_Cornelius_Cornbob September 27, 2022
 Get the I'm going to kill yourselfmug.
Get the I'm going to kill yourselfmug.  Get the I'm going to kill yourselfmug.
Get the I'm going to kill yourselfmug.