Definition of "yabby"
yabby1
/ˈjæb.i/
noun
plural yabbies
(Australia) Any of various freshwater crayfish, typically of the genus Cherax, valued as food, especially Cherax destructor of southeastern Australia.
yabby2
/ˈjæb.i/
verb
third-person singular simple present yabbies, present participle yabbying, simple past and past participle yabbied
(transitive, Nigeria, slang) To show disrespect by denouncing or insulting; to diss.