on the outside, looking in

on the outside, looking in

Excluded from something that one wanted to participate in. All of my friends were invited to the biggest party of the year, and here I am, on the outside, looking in. We need to win some games, or else we'll be on the outside looking in during the playoffs.
See also: look, on

on the outside looking in

(of a person) excluded from a group or activity.
See also: look, on, outside