"Awfully ___" means "very ___" or "a little too ___". Here are some examples:

You're awfully good at this. Are you sure you've never played before?

The first half was awfully slow, but it picked up a bit toward the end.

The most common adjectives to use with "awfully" are:

• awfully good
• awfully nice
• awfully big
• awfully quiet
• awfully long