Non-applicable "you too"
Saying "you too" as a response to someone when this is completely non applicable to them.
Example of a non-applicable "you too"
Waitress: Here you go, enjoy your meal!
Me: Thanks, you too!
Waitress: ...What?
*uncomfortable silence*
Waitress: Here you go, enjoy your meal!
Me: Thanks, you too!
Waitress: ...What?
*uncomfortable silence*