Al Wala' Wal Bara': Islamic concept of friendship toward fellow Muslims, and distance from non-Muslims.
Nat Kern was a frequent visitor to Iraq during the 1980-1988 Iran-Iraq war, at a time when U.S.-Iraqi relations were improving, and was tasked by the U.S. government with maintaining ties with certain key Iraqi officials from 1991 onwards, at a time when the U.S. government maintained a policy of shunning any official contact with the Iraqi government.
Letty Morris Madge Evans is a New York dancer who's shunning the advances of the gangster "Legs" Caffey (Nat Pendleton) by jumping a cross-country bus to Hollywood.
Unable to keep themselves entertained, they take their frustrations out on Meg, first by shunning her from a game of "finger-bang," then by ganging up on her when she unwittingly disturbs Peter's humming by opening a soda can.