Wiktionary
ussie
n. (context slang English) A photographic group portrait, especially one taken manually (not using a timer, tripod etc.) with a small camera or mobile phone by a member of the group.
Usage examples of "ussie".
They were, as Ussie had foreseen, not biddable and had such short attention spans that he could never get them to strike the right pose, or assume an even halfway cheerful expression.