The meaning of the Acronym LISP is...

LISP is

• Lots Of Irritating And Silly Parentheses
• Lots Of Incomprehensible Single Parentheses
• Lots Of Irritating Superfluous Parentheses
• Lots Of Inane Silly Parentheses
• Lots Of Irrelevant Silly Parentheses
• Lost In the Sea of Parenthesis

More Meanings For LISP:

• List Programming
• List Processing
• Lots Of Incredibly Stupid Parentheses
• Lots Of Irritating Stupid Parentheses
• Lost In Stupid Parentheses
• Lots Of Idiotic And Stupid Parentheses
• Losta Insane Stupid Parenthesis
• Lots Of Insane Stupid Parentheses
• Lots Of Insipid And Stupid Parentheses
• Lots Of Infernal Stupid Parentheses
• Lots Of Irritating And Silly Parentheses
• Lots Of Incomprehensible Single Parentheses
• Lots Of Irritating Superfluous Parentheses
• Lots Of Inane Silly Parentheses
• Lots Of Irrelevant Silly Parentheses

LISP is also in:

• Adults
• Funnies
• General
• Software