A new way to say something is really great. (via Mr James May)
How do you like my new shirt?

It's really great! Ace Biscuits!
by VintageB April 29, 2016
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When something is best of the best. Also an expression of a fondness of an item.
Do you like my new shirt?'…'Yeah, that's ace biscuits
by Shrek_dude April 29, 2016
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