Probably bigger than you expected (; more in comments
Way bigger
More than she expected
The curve was WAY better than I expected.
Bigger Than Expected?
WAY bigger
Bigger than expected - interest "college"
WAY bigger
Deeper than expected
Bigger than expected
Bigger than expected
Harder than she expected
Way Bigger Than Her Head
Way Bigger Than One Could Expect
Made a bigger mess than expected
Way bigger than expected