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 hates him....
by BigDaddyWess November 17, 2011
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1)A synonm for the chocolate bar "Twix". The term comes from the products' "finger" styled form, and is often eaten as a quick snack, sometimes being substituted for an actual luncheon, hence the term "finger lunch".
2)A song by the evil metal band COOL
1) Person 1 : "Wow i'm hungary, but i lack the neccessary funds and time to indulge in a full meal"
Person 2 : "Power up with a finger lunch"

2) finger lunch (eeeuuuwwww) its finger lunch (oooouuuuwwww) its fingER lunch (eeeuuuuwwww) its finger lunch (DUN DUN DUN)
by a concerned onlooker March 29, 2005
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