dingo
1. noun
1
a cowardly, treacherous or despicable person. From 'dingo' the Australian native dog, to which the attributes of cowardice and treachery have long been incorrectly applied by white people AUSTRALIA, 1869.
2
an Australian NEW ZEALAND, 2002.► turn dingo onto betray someone AUSTRALIA, 1945
2. verb
1
to behave in a treacherous or cowardly manner AUSTRALIA, 1935.
2
to cancel, especially to cancel a date or romantic assignation. Teen slang UK, 2003