swanny
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swan·ny
(swŏn′ē)intr.v. Chiefly Southern US
To declare; swear. Used in the phrase I swanny as an interjection. See Note at vum.
[Probably alteration of dialectal (I) s' wan ye, (I) shall warrant ye.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
swanny
(ˈswɒnɪ)adj, swannier or swanniest
1. swanlike
2. abounding in swans
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014