What is the meaning of Agg?

Clipping of aggravated.

Clipping of aggregate (“the total score in a set of games between teams or competitors, usually the combination of the home and away scores”).

Alternative form of egg (“encourage”).

very old, aged

old man

to shrivel, shrink, diminish (to become smaller, denser, or more compact)

to worry, to be anxious

to age, grow old

enmity, ill will (often implying that the enmity is hidden)

to drive towards or against the shore

to be driven shorewards

to irritate (by teasing)

grudge, resentment, ill will

Source: wiktionary.org