the word derives from the adjectives 'aggressive' and 'agitated' and is the emotion felt when seriously angry and
annoyed.
Signs of 'agg' can often be seen
in the eyes and mouth.
The best way of preventing a friend from getting aggy is to say "Mate, don't get aggy!"
Dave had just lost his
fifth consecutive game of FIFA and was clearly getting aggy.
On closer
inspection the pupils in his eyes were
dilating and turning red, whilst his mouth was shaking uncontrollably with rage. He was so aggy.