sidewalk alumni
n.pl.— «People said he liked green because we’re Irish, but actually he was, and is, a Notre Dame red-hot, one of the well-known sidewalk alumni. Notre Dame’s colors are kelly green and gold, and that was Charlie’s inspiration.» —“Baseball Will Return to the Drab in 1987″ by Art Rosenbaum San Francisco Chronicle Oct. 15, 1986. (source: Double-Tongued Dictionary)