When you go to lunch
and purposely or accidentally don't invite someone.
Alternative definition: You're the last person to get your food
at the table, well after everyone has gotten their food. restaurant
Or Dinner Finger
Don't invite Mike, we gave him the lunch finger
. Or oh, no we gave Mike the lunch finger...oops. Or sorry, we didn't mean to give you the lunch finger.
Or Andrei always gets the lunch finger here, I think the Waitress