[1] : The Collaborative International Dictionary of English v.0.48

giffy \gif"fy\, n. obs.
   see jiffy.
   1913 webster
see also:
jiffy 

[2] : The Collaborative International Dictionary of English v.0.48

jiffy \jif"fy\, n. perh. corrupt. fr. gliff. written also
   giffy.
   a moment; an instant; as, i will be ready in a jiffy.
   colloq. --j.  h. smith.
   1913 webster
see also:
giffy 

Giffy >> G Words
Giffy, definition of term: Giffy
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