Dingbat

[hazelb]

Dingbat g

[Aquagility]

What is your question, hazelb?

[Magyar]

That is the question Aquagility. It's a dingbat from the McMillann quiz. The letter g represents a well known phrase, and I wish I could help because it's one of many I'm stuck on too !!

[smouse]

been lots of suggestions which I cant remember now
I've gone for
a force of nature

[Salty]

How about "the seventh letter"? See http://en.wikipedia.org/wiki/Seventh_Letter_(P lato)