Adjective, : a grapy wine.    From Dictionary.com. 

And when Brookie lets the poor thing loose, it galumphs to the mirror and backs up to see its grapy leg.    From Wordnik.com.  [The Year's Best Science Fiction 23rd Annual Collection]

Befo 'dat, Henry had tol'able good ha'r' roun de aidges, but soon ez de young grapes begun ter come Henry's ha'r begun ter quirl all up in little balls, des like dis yer reg'lar grapy ha'r, en by de time de grapes got ripe his head look des like a bunch er grapes.    From Wordnik.com.  [Martin Luther King, Jr. Day, 1995, Memorial Issue] Reference

A Rhône-style blend of grenache, syrah and mourvèdre, this is packed with sweet, grapy fruit: very attractive.    From Wordnik.com.  [Evening Standard - Home] Reference

This sounds so sour-grapy.    From Wordnik.com.  [NY Islanders Team Report] Reference

Each one is packed with grapy goodness.    From Wordnik.com.  [You gonna eat that? Random musings on food and life in Orange County, California » End of the Kyoho Road] Reference

Her lips tasted grapy, from the flavored water.    From Wordnik.com.  [Beard] Reference