delete vs rub out

delete

• To kill or murder. 

• To defeat or dominate. 

• To remove, get rid of or erase, especially written or printed material, or data on a computer or other device. 

• A remainder of a music or video release. 

• The delete character (U+007F or %7F). 

• A deletion. 

rub out

• To kill, especially to murder. 

• To delete or erase or remove (something) by rubbing.