A way of describing someone that is really good in a certain subject or activity. Extra is also an adjective that can describe the
quality or classification of a noun.
On the other
hand, extra can describe a novice or an experienced person who is really
terrible at a certain subject or activity.
adjective:
"Man, did you see that home-run that Manny Ramirez drilled yesterday?"
"Standard, he is extra good at
baseball."
Food or Drink:
"That Arizona tall boy of Green Tea was extra cold and refreshing after that long jog."
"Yea, I made a novice mistake by getting a soda, now I feel like shit."
Noun:
"Mike is extra sloppy at whiffle ball."
"Dude he struck out every
time he was at bat."
"He's worthless, I'll never pick him again for my team."